19 files changed, 128 insertions, 643 deletions

diff --git a/arch/powerpc/mm/44x_mmu.c b/arch/powerpc/mm/44x_mmu.c
index ca4dcb07a939..c3df50476539 100644
--- a/arch/powerpc/mm/44x_mmu.c
+++ b/arch/powerpc/mm/44x_mmu.c
@@ -12,7 +12,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
diff --git a/arch/powerpc/mm/4xx_mmu.c b/arch/powerpc/mm/4xx_mmu.c
index 838e09db71d9..7ff2609b64d1 100644
--- a/arch/powerpc/mm/4xx_mmu.c
+++ b/arch/powerpc/mm/4xx_mmu.c
@@ -9,7 +9,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index 4f839c6a9768..7e4d27ad3dee 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -11,8 +11,7 @@ obj-$(CONFIG_PPC32)		+= init_32.o pgtable_32.o mmu_context_32.o
 hash-$(CONFIG_PPC_NATIVE)       := hash_native_64.o
 obj-$(CONFIG_PPC64)             += init_64.o pgtable_64.o mmu_context_64.o \
                                    hash_utils_64.o hash_low_64.o tlb_64.o \
-                                   slb_low.o slb.o stab.o mmap.o imalloc.o \
-                                   $(hash-y)
+                                   slb_low.o slb.o stab.o mmap.o $(hash-y)
 obj-$(CONFIG_PPC_STD_MMU_32)    += ppc_mmu_32.o hash_low_32.o tlb_32.o
 obj-$(CONFIG_40x)               += 4xx_mmu.o
 obj-$(CONFIG_44x)               += 44x_mmu.o
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 115b25f50bf8..0ece51310bfe 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -380,7 +380,7 @@ out_of_memory:
         }
         printk("VM: killing process %s\n", current->comm);
         if (user_mode(regs))
-                do_exit(SIGKILL);
+                do_group_exit(SIGKILL);
         return SIGKILL;
 
 do_sigbus:
diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c
index 123da03ab118..afab247d472f 100644
--- a/arch/powerpc/mm/fsl_booke_mmu.c
+++ b/arch/powerpc/mm/fsl_booke_mmu.c
@@ -14,7 +14,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index 4a20d890e2f4..6ba9b47e55af 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -104,7 +104,7 @@ static inline void tlbie(unsigned long va, int psize, int local)
                 spin_unlock(&native_tlbie_lock);
 }
 
-static inline void native_lock_hpte(hpte_t *hptep)
+static inline void native_lock_hpte(struct hash_pte *hptep)
 {
         unsigned long *word = &hptep->v;
 
@@ -116,7 +116,7 @@ static inline void native_lock_hpte(hpte_t *hptep)
         }
 }
 
-static inline void native_unlock_hpte(hpte_t *hptep)
+static inline void native_unlock_hpte(struct hash_pte *hptep)
 {
         unsigned long *word = &hptep->v;
 
@@ -128,7 +128,7 @@ static long native_hpte_insert(unsigned long hpte_group, unsigned long va,
                         unsigned long pa, unsigned long rflags,
                         unsigned long vflags, int psize)
 {
-        hpte_t *hptep = htab_address + hpte_group;
+        struct hash_pte *hptep = htab_address + hpte_group;
         unsigned long hpte_v, hpte_r;
         int i;
 
@@ -163,7 +163,7 @@ static long native_hpte_insert(unsigned long hpte_group, unsigned long va,
 
         hptep->r = hpte_r;
         /* Guarantee the second dword is visible before the valid bit */
-        __asm__ __volatile__ ("eieio" : : : "memory");
+        eieio();
         /*
          * Now set the first dword including the valid bit
          * NOTE: this also unlocks the hpte
@@ -177,7 +177,7 @@ static long native_hpte_insert(unsigned long hpte_group, unsigned long va,
 
 static long native_hpte_remove(unsigned long hpte_group)
 {
-        hpte_t *hptep;
+        struct hash_pte *hptep;
         int i;
         int slot_offset;
         unsigned long hpte_v;
@@ -217,7 +217,7 @@ static long native_hpte_remove(unsigned long hpte_group)
 static long native_hpte_updatepp(unsigned long slot, unsigned long newpp,
                                  unsigned long va, int psize, int local)
 {
-        hpte_t *hptep = htab_address + slot;
+        struct hash_pte *hptep = htab_address + slot;
         unsigned long hpte_v, want_v;
         int ret = 0;
 
@@ -233,15 +233,14 @@ static long native_hpte_updatepp(unsigned long slot, unsigned long newpp,
         /* Even if we miss, we need to invalidate the TLB */
         if (!HPTE_V_COMPARE(hpte_v, want_v) || !(hpte_v & HPTE_V_VALID)) {
                 DBG_LOW(" -> miss\n");
-                native_unlock_hpte(hptep);
                 ret = -1;
         } else {
                 DBG_LOW(" -> hit\n");
                 /* Update the HPTE */
                 hptep->r = (hptep->r & ~(HPTE_R_PP | HPTE_R_N)) |
                         (newpp & (HPTE_R_PP | HPTE_R_N | HPTE_R_C));
-                native_unlock_hpte(hptep);
         }
+        native_unlock_hpte(hptep);
 
         /* Ensure it is out of the tlb too. */
         tlbie(va, psize, local);
@@ -251,7 +250,7 @@ static long native_hpte_updatepp(unsigned long slot, unsigned long newpp,
 
 static long native_hpte_find(unsigned long va, int psize)
 {
-        hpte_t *hptep;
+        struct hash_pte *hptep;
         unsigned long hash;
         unsigned long i, j;
         long slot;
@@ -294,7 +293,7 @@ static void native_hpte_updateboltedpp(unsigned long newpp, unsigned long ea,
 {
         unsigned long vsid, va;
         long slot;
-        hpte_t *hptep;
+        struct hash_pte *hptep;
 
         vsid = get_kernel_vsid(ea);
         va = (vsid << 28) | (ea & 0x0fffffff);
@@ -315,7 +314,7 @@ static void native_hpte_updateboltedpp(unsigned long newpp, unsigned long ea,
 static void native_hpte_invalidate(unsigned long slot, unsigned long va,
                                    int psize, int local)
 {
-        hpte_t *hptep = htab_address + slot;
+        struct hash_pte *hptep = htab_address + slot;
         unsigned long hpte_v;
         unsigned long want_v;
         unsigned long flags;
@@ -345,7 +344,7 @@ static void native_hpte_invalidate(unsigned long slot, unsigned long va,
 #define LP_BITS         8
 #define LP_MASK(i)      ((0xFF >> (i)) << LP_SHIFT)
 
-static void hpte_decode(hpte_t *hpte, unsigned long slot,
+static void hpte_decode(struct hash_pte *hpte, unsigned long slot,
                         int *psize, unsigned long *va)
 {
         unsigned long hpte_r = hpte->r;
@@ -415,7 +414,7 @@ static void hpte_decode(hpte_t *hpte, unsigned long slot,
 static void native_hpte_clear(void)
 {
         unsigned long slot, slots, flags;
-        hpte_t *hptep = htab_address;
+        struct hash_pte *hptep = htab_address;
         unsigned long hpte_v, va;
         unsigned long pteg_count;
         int psize;
@@ -462,7 +461,7 @@ static void native_hpte_clear(void)
 static void native_flush_hash_range(unsigned long number, int local)
 {
         unsigned long va, hash, index, hidx, shift, slot;
-        hpte_t *hptep;
+        struct hash_pte *hptep;
         unsigned long hpte_v;
         unsigned long want_v;
         unsigned long flags;
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 4f2f4534a9d8..2ce9491b48d4 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -87,7 +87,7 @@ extern unsigned long dart_tablebase;
 static unsigned long _SDR1;
 struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
 
-hpte_t *htab_address;
+struct hash_pte *htab_address;
 unsigned long htab_size_bytes;
 unsigned long htab_hash_mask;
 int mmu_linear_psize = MMU_PAGE_4K;
diff --git a/arch/powerpc/mm/imalloc.c b/arch/powerpc/mm/imalloc.c
deleted file mode 100644
index c831815c31f0..000000000000
--- a/arch/powerpc/mm/imalloc.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/*
- * c 2001 PPC 64 Team, IBM Corp
- * 
- *      This program is free software; you can redistribute it and/or
- *      modify it under the terms of the GNU General Public License
- *      as published by the Free Software Foundation; either version
- *      2 of the License, or (at your option) any later version.
- */
-
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <linux/mutex.h>
-#include <asm/cacheflush.h>
-
-#include "mmu_decl.h"
-
-static DEFINE_MUTEX(imlist_mutex);
-struct vm_struct * imlist = NULL;
-
-static int get_free_im_addr(unsigned long size, unsigned long *im_addr)
-{
-        unsigned long addr;
-        struct vm_struct **p, *tmp;
-
-        addr = ioremap_bot;
-        for (p = &imlist; (tmp = *p) ; p = &tmp->next) {
-                if (size + addr < (unsigned long) tmp->addr)
-                        break;
-                if ((unsigned long)tmp->addr >= ioremap_bot)
-                        addr = tmp->size + (unsigned long) tmp->addr;
-                if (addr >= IMALLOC_END-size)
-                        return 1;
-        }
-        *im_addr = addr;
-
-        return 0;
-}
-
-/* Return whether the region described by v_addr and size is a subset
- * of the region described by parent
- */
-static inline int im_region_is_subset(unsigned long v_addr, unsigned long size,
-                        struct vm_struct *parent)
-{
-        return (int) (v_addr >= (unsigned long) parent->addr &&
-                      v_addr < (unsigned long) parent->addr + parent->size &&
-                      size < parent->size);
-}
-
-/* Return whether the region described by v_addr and size is a superset
- * of the region described by child
- */
-static int im_region_is_superset(unsigned long v_addr, unsigned long size,
-                struct vm_struct *child)
-{
-        struct vm_struct parent;
-
-        parent.addr = (void *) v_addr;
-        parent.size = size;
-
-        return im_region_is_subset((unsigned long) child->addr, child->size,
-                        &parent);
-}
-
-/* Return whether the region described by v_addr and size overlaps
- * the region described by vm.  Overlapping regions meet the
- * following conditions:
- * 1) The regions share some part of the address space
- * 2) The regions aren't identical
- * 3) Neither region is a subset of the other
- */
-static int im_region_overlaps(unsigned long v_addr, unsigned long size,
-                     struct vm_struct *vm)
-{
-        if (im_region_is_superset(v_addr, size, vm))
-                return 0;
-
-        return (v_addr + size > (unsigned long) vm->addr + vm->size &&
-                v_addr < (unsigned long) vm->addr + vm->size) ||
-               (v_addr < (unsigned long) vm->addr &&
-                v_addr + size > (unsigned long) vm->addr);
-}
-
-/* Determine imalloc status of region described by v_addr and size.
- * Can return one of the following:
- * IM_REGION_UNUSED   -  Entire region is unallocated in imalloc space.
- * IM_REGION_SUBSET -    Region is a subset of a region that is already
- *                       allocated in imalloc space.
- *                       vm will be assigned to a ptr to the parent region.
- * IM_REGION_EXISTS -    Exact region already allocated in imalloc space.
- *                       vm will be assigned to a ptr to the existing imlist
- *                       member.
- * IM_REGION_OVERLAPS -  Region overlaps an allocated region in imalloc space.
- * IM_REGION_SUPERSET -  Region is a superset of a region that is already
- *                       allocated in imalloc space.
- */
-static int im_region_status(unsigned long v_addr, unsigned long size,
-                    struct vm_struct **vm)
-{
-        struct vm_struct *tmp;
-
-        for (tmp = imlist; tmp; tmp = tmp->next)
-                if (v_addr < (unsigned long) tmp->addr + tmp->size)
-                        break;
-
-        *vm = NULL;
-        if (tmp) {
-                if (im_region_overlaps(v_addr, size, tmp))
-                        return IM_REGION_OVERLAP;
-
-                *vm = tmp;
-                if (im_region_is_subset(v_addr, size, tmp)) {
-                        /* Return with tmp pointing to superset */
-                        return IM_REGION_SUBSET;
-                }
-                if (im_region_is_superset(v_addr, size, tmp)) {
-                        /* Return with tmp pointing to first subset */
-                        return IM_REGION_SUPERSET;
-                }
-                else if (v_addr == (unsigned long) tmp->addr &&
-                         size == tmp->size) {
-                        /* Return with tmp pointing to exact region */
-                        return IM_REGION_EXISTS;
-                }
-        }
-
-        return IM_REGION_UNUSED;
-}
-
-static struct vm_struct * split_im_region(unsigned long v_addr, 
-                unsigned long size, struct vm_struct *parent)
-{
-        struct vm_struct *vm1 = NULL;
-        struct vm_struct *vm2 = NULL;
-        struct vm_struct *new_vm = NULL;
-        
-        vm1 = kmalloc(sizeof(*vm1), GFP_KERNEL);
-        if (vm1 == NULL) {
-                printk(KERN_ERR "%s() out of memory\n", __FUNCTION__);
-                return NULL;
-        }
-
-        if (v_addr == (unsigned long) parent->addr) {
-                /* Use existing parent vm_struct to represent child, allocate
-                 * new one for the remainder of parent range
-                 */
-                vm1->size = parent->size - size;
-                vm1->addr = (void *) (v_addr + size);
-                vm1->next = parent->next;
-
-                parent->size = size;
-                parent->next = vm1;
-                new_vm = parent;
-        } else if (v_addr + size == (unsigned long) parent->addr + 
-                        parent->size) {
-                /* Allocate new vm_struct to represent child, use existing
-                 * parent one for remainder of parent range
-                 */
-                vm1->size = size;
-                vm1->addr = (void *) v_addr;
-                vm1->next = parent->next;
-                new_vm = vm1;
-
-                parent->size -= size;
-                parent->next = vm1;
-        } else {
-                /* Allocate two new vm_structs for the new child and 
-                 * uppermost remainder, and use existing parent one for the
-                 * lower remainder of parent range
-                 */
-                vm2 = kmalloc(sizeof(*vm2), GFP_KERNEL);
-                if (vm2 == NULL) {
-                        printk(KERN_ERR "%s() out of memory\n", __FUNCTION__);
-                        kfree(vm1);
-                        return NULL;
-                }
-
-                vm1->size = size;
-                vm1->addr = (void *) v_addr;
-                vm1->next = vm2;
-                new_vm = vm1;
-
-                vm2->size = ((unsigned long) parent->addr + parent->size) - 
-                                (v_addr + size);
-                vm2->addr = (void *) v_addr + size;
-                vm2->next = parent->next;
-
-                parent->size = v_addr - (unsigned long) parent->addr;
-                parent->next = vm1;
-        }
-
-        return new_vm;
-}
-
-static struct vm_struct * __add_new_im_area(unsigned long req_addr, 
-                                            unsigned long size)
-{
-        struct vm_struct **p, *tmp, *area;
-                
-        for (p = &imlist; (tmp = *p) ; p = &tmp->next) {
-                if (req_addr + size <= (unsigned long)tmp->addr)
-                        break;
-        }
-        
-        area = kmalloc(sizeof(*area), GFP_KERNEL);
-        if (!area)
-                return NULL;
-        area->flags = 0;
-        area->addr = (void *)req_addr;
-        area->size = size;
-        area->next = *p;
-        *p = area;
-
-        return area;
-}
-
-static struct vm_struct * __im_get_area(unsigned long req_addr, 
-                                        unsigned long size,
-                                        int criteria)
-{
-        struct vm_struct *tmp;
-        int status;
-
-        status = im_region_status(req_addr, size, &tmp);
-        if ((criteria & status) == 0) {
-                return NULL;
-        }
-        
-        switch (status) {
-        case IM_REGION_UNUSED:
-                tmp = __add_new_im_area(req_addr, size);
-                break;
-        case IM_REGION_SUBSET:
-                tmp = split_im_region(req_addr, size, tmp);
-                break;
-        case IM_REGION_EXISTS:
-                /* Return requested region */
-                break;
-        case IM_REGION_SUPERSET:
-                /* Return first existing subset of requested region */
-                break;
-        default:
-                printk(KERN_ERR "%s() unexpected imalloc region status\n",
-                                __FUNCTION__);
-                tmp = NULL;
-        }
-
-        return tmp;
-}
-
-struct vm_struct * im_get_free_area(unsigned long size)
-{
-        struct vm_struct *area;
-        unsigned long addr;
-        
-        mutex_lock(&imlist_mutex);
-        if (get_free_im_addr(size, &addr)) {
-                printk(KERN_ERR "%s() cannot obtain addr for size 0x%lx\n",
-                                __FUNCTION__, size);
-                area = NULL;
-                goto next_im_done;
-        }
-
-        area = __im_get_area(addr, size, IM_REGION_UNUSED);
-        if (area == NULL) {
-                printk(KERN_ERR 
-                       "%s() cannot obtain area for addr 0x%lx size 0x%lx\n",
-                        __FUNCTION__, addr, size);
-        }
-next_im_done:
-        mutex_unlock(&imlist_mutex);
-        return area;
-}
-
-struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size,
-                int criteria)
-{
-        struct vm_struct *area;
-
-        mutex_lock(&imlist_mutex);
-        area = __im_get_area(v_addr, size, criteria);
-        mutex_unlock(&imlist_mutex);
-        return area;
-}
-
-void im_free(void * addr)
-{
-        struct vm_struct **p, *tmp;
-  
-        if (!addr)
-                return;
-        if ((unsigned long) addr & ~PAGE_MASK) {
-                printk(KERN_ERR "Trying to %s bad address (%p)\n", __FUNCTION__,                        addr);
-                return;
-        }
-        mutex_lock(&imlist_mutex);
-        for (p = &imlist ; (tmp = *p) ; p = &tmp->next) {
-                if (tmp->addr == addr) {
-                        *p = tmp->next;
-                        unmap_vm_area(tmp);
-                        kfree(tmp);
-                        mutex_unlock(&imlist_mutex);
-                        return;
-                }
-        }
-        mutex_unlock(&imlist_mutex);
-        printk(KERN_ERR "Trying to %s nonexistent area (%p)\n", __FUNCTION__,
-                        addr);
-}
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index 5fce6ccecb8d..e1f5ded851f6 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -5,7 +5,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *  PPC44x/36-bit changes by Matt Porter (mporter@mvista.com)
  *
  *  Derived from "arch/i386/mm/init.c"
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 7312a265545f..1d6edf724c85 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -5,7 +5,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 0266a94d83b6..f0e7eedb1ba3 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -5,7 +5,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *  PPC44x/36-bit changes by Matt Porter (mporter@mvista.com)
  *
  *  Derived from "arch/i386/mm/init.c"
@@ -129,8 +128,6 @@ int __devinit arch_add_memory(int nid, u64 start, u64 size)
         zone = pgdata->node_zones;
 
         return __add_pages(zone, start_pfn, nr_pages);
-
-        return 0;
 }
 
 /*
diff --git a/arch/powerpc/mm/mmu_context_32.c b/arch/powerpc/mm/mmu_context_32.c
index 792086b01000..cc32ba41d900 100644
--- a/arch/powerpc/mm/mmu_context_32.c
+++ b/arch/powerpc/mm/mmu_context_32.c
@@ -11,7 +11,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index 2558c34eedaa..c94a64fd3c01 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -8,7 +8,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
@@ -40,8 +39,8 @@ extern int __map_without_bats;
 extern unsigned long ioremap_base;
 extern unsigned int rtas_data, rtas_size;
 
-struct _PTE;
-extern struct _PTE *Hash, *Hash_end;
+struct hash_pte;
+extern struct hash_pte *Hash, *Hash_end;
 extern unsigned long Hash_size, Hash_mask;
 
 extern unsigned int num_tlbcam_entries;
@@ -90,16 +89,4 @@ static inline void flush_HPTE(unsigned context, unsigned long va,
         else
                 _tlbie(va);
 }
-#else /* CONFIG_PPC64 */
-/* imalloc region types */
-#define IM_REGION_UNUSED        0x1
-#define IM_REGION_SUBSET        0x2
-#define IM_REGION_EXISTS        0x4
-#define IM_REGION_OVERLAP       0x8
-#define IM_REGION_SUPERSET      0x10
-
-extern struct vm_struct * im_get_free_area(unsigned long size);
-extern struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size,
-                                      int region_type);
-extern void im_free(void *addr);
 #endif
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index f6ae1a57d652..64488723162a 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -8,7 +8,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
@@ -37,7 +36,6 @@
 unsigned long ioremap_base;
 unsigned long ioremap_bot;
 EXPORT_SYMBOL(ioremap_bot);     /* aka VMALLOC_END */
-int io_bat_index;
 
 #if defined(CONFIG_6xx) || defined(CONFIG_POWER3)
 #define HAVE_BATS       1
@@ -300,51 +298,6 @@ void __init mapin_ram(void)
         }
 }
 
-/* is x a power of 4? */
-#define is_power_of_4(x)        is_power_of_2(x) && (ffs(x) & 1)
-
-/*
- * Set up a mapping for a block of I/O.
- * virt, phys, size must all be page-aligned.
- * This should only be called before ioremap is called.
- */
-void __init io_block_mapping(unsigned long virt, phys_addr_t phys,
-                             unsigned int size, int flags)
-{
-        int i;
-
-        if (virt > KERNELBASE && virt < ioremap_bot)
-                ioremap_bot = ioremap_base = virt;
-
-#ifdef HAVE_BATS
-        /*
-         * Use a BAT for this if possible...
-         */
-        if (io_bat_index < 2 && is_power_of_2(size)
-            && (virt & (size - 1)) == 0 && (phys & (size - 1)) == 0) {
-                setbat(io_bat_index, virt, phys, size, flags);
-                ++io_bat_index;
-                return;
-        }
-#endif /* HAVE_BATS */
-
-#ifdef HAVE_TLBCAM
-        /*
-         * Use a CAM for this if possible...
-         */
-        if (tlbcam_index < num_tlbcam_entries && is_power_of_4(size)
-            && (virt & (size - 1)) == 0 && (phys & (size - 1)) == 0) {
-                settlbcam(tlbcam_index, virt, phys, size, flags, 0);
-                ++tlbcam_index;
-                return;
-        }
-#endif /* HAVE_TLBCAM */
-
-        /* No BATs available, put it in the page tables. */
-        for (i = 0; i < size; i += PAGE_SIZE)
-                map_page(virt + i, phys + i, flags);
-}
-
 /* Scan the real Linux page tables and return a PTE pointer for
  * a virtual address in a context.
  * Returns true (1) if PTE was found, zero otherwise.  The pointer to
@@ -379,82 +332,6 @@ get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, pmd_t **pmdp)
         return(retval);
 }
 
-/* Find physical address for this virtual address.  Normally used by
- * I/O functions, but anyone can call it.
- */
-unsigned long iopa(unsigned long addr)
-{
-        unsigned long pa;
-
-        /* I don't know why this won't work on PMacs or CHRP.  It
-         * appears there is some bug, or there is some implicit
-         * mapping done not properly represented by BATs or in page
-         * tables.......I am actively working on resolving this, but
-         * can't hold up other stuff.  -- Dan
-         */
-        pte_t *pte;
-        struct mm_struct *mm;
-
-        /* Check the BATs */
-        pa = v_mapped_by_bats(addr);
-        if (pa)
-                return pa;
-
-        /* Allow mapping of user addresses (within the thread)
-         * for DMA if necessary.
-         */
-        if (addr < TASK_SIZE)
-                mm = current->mm;
-        else
-                mm = &init_mm;
-
-        pa = 0;
-        if (get_pteptr(mm, addr, &pte, NULL)) {
-                pa = (pte_val(*pte) & PAGE_MASK) | (addr & ~PAGE_MASK);
-                pte_unmap(pte);
-        }
-
-        return(pa);
-}
-
-/* This is will find the virtual address for a physical one....
- * Swiped from APUS, could be dangerous :-).
- * This is only a placeholder until I really find a way to make this
- * work.  -- Dan
- */
-unsigned long
-mm_ptov (unsigned long paddr)
-{
-        unsigned long ret;
-#if 0
-        if (paddr < 16*1024*1024)
-                ret = ZTWO_VADDR(paddr);
-        else {
-                int i;
-
-                for (i = 0; i < kmap_chunk_count;){
-                        unsigned long phys = kmap_chunks[i++];
-                        unsigned long size = kmap_chunks[i++];
-                        unsigned long virt = kmap_chunks[i++];
-                        if (paddr >= phys
-                            && paddr < (phys + size)){
-                                ret = virt + paddr - phys;
-                                goto exit;
-                        }
-                }
-        
-                ret = (unsigned long) __va(paddr);
-        }
-exit:
-#ifdef DEBUGPV
-        printk ("PTOV(%lx)=%lx\n", paddr, ret);
-#endif
-#else
-        ret = (unsigned long)paddr + KERNELBASE;
-#endif
-        return ret;
-}
-
 #ifdef CONFIG_DEBUG_PAGEALLOC
 
 static int __change_page_attr(struct page *page, pgprot_t prot)
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index ad6e135bf212..3dfd10db931a 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -7,7 +7,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@samba.org)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
@@ -34,41 +33,27 @@
 #include <linux/stddef.h>
 #include <linux/vmalloc.h>
 #include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/bootmem.h>
-#include <linux/highmem.h>
-#include <linux/idr.h>
-#include <linux/nodemask.h>
-#include <linux/module.h>
 
 #include <asm/pgalloc.h>
 #include <asm/page.h>
 #include <asm/prom.h>
-#include <asm/lmb.h>
-#include <asm/rtas.h>
 #include <asm/io.h>
 #include <asm/mmu_context.h>
 #include <asm/pgtable.h>
 #include <asm/mmu.h>
-#include <asm/uaccess.h>
 #include <asm/smp.h>
 #include <asm/machdep.h>
 #include <asm/tlb.h>
-#include <asm/eeh.h>
 #include <asm/processor.h>
-#include <asm/mmzone.h>
 #include <asm/cputable.h>
 #include <asm/sections.h>
 #include <asm/system.h>
-#include <asm/iommu.h>
 #include <asm/abs_addr.h>
-#include <asm/vdso.h>
 #include <asm/firmware.h>
 
 #include "mmu_decl.h"
 
-unsigned long ioremap_bot = IMALLOC_BASE;
-static unsigned long phbs_io_bot = PHBS_IO_BASE;
+unsigned long ioremap_bot = IOREMAP_BASE;
 
 /*
  * map_io_page currently only called by __ioremap
@@ -102,8 +87,8 @@ static int map_io_page(unsigned long ea, unsigned long pa, int flags)
                  * entry in the hardware page table.
                  *
                  */
-                if (htab_bolt_mapping(ea, ea + PAGE_SIZE, pa, flags,
-                                      mmu_io_psize)) {
+                if (htab_bolt_mapping(ea, (unsigned long)ea + PAGE_SIZE,
+                                      pa, flags, mmu_io_psize)) {
                         printk(KERN_ERR "Failed to do bolted mapping IO "
                                "memory at %016lx !\n", pa);
                         return -ENOMEM;
@@ -113,8 +98,11 @@ static int map_io_page(unsigned long ea, unsigned long pa, int flags)
 }
 
 
-static void __iomem * __ioremap_com(phys_addr_t addr, unsigned long pa,
-                            unsigned long ea, unsigned long size,
+/**
+ * __ioremap_at - Low level function to establish the page tables
+ *                for an IO mapping
+ */
+void __iomem * __ioremap_at(phys_addr_t pa, void *ea, unsigned long size,
                             unsigned long flags)
 {
         unsigned long i;
@@ -122,17 +110,35 @@ static void __iomem * __ioremap_com(phys_addr_t addr, unsigned long pa,
         if ((flags & _PAGE_PRESENT) == 0)
                 flags |= pgprot_val(PAGE_KERNEL);
 
+        WARN_ON(pa & ~PAGE_MASK);
+        WARN_ON(((unsigned long)ea) & ~PAGE_MASK);
+        WARN_ON(size & ~PAGE_MASK);
+
         for (i = 0; i < size; i += PAGE_SIZE)
-                if (map_io_page(ea+i, pa+i, flags))
+                if (map_io_page((unsigned long)ea+i, pa+i, flags))
                         return NULL;
 
-        return (void __iomem *) (ea + (addr & ~PAGE_MASK));
+        return (void __iomem *)ea;
+}
+
+/**
+ * __iounmap_from - Low level function to tear down the page tables
+ *                  for an IO mapping. This is used for mappings that
+ *                  are manipulated manually, like partial unmapping of
+ *                  PCI IOs or ISA space.
+ */
+void __iounmap_at(void *ea, unsigned long size)
+{
+        WARN_ON(((unsigned long)ea) & ~PAGE_MASK);
+        WARN_ON(size & ~PAGE_MASK);
+
+        unmap_kernel_range((unsigned long)ea, size);
 }
 
 void __iomem * __ioremap(phys_addr_t addr, unsigned long size,
                          unsigned long flags)
 {
-        unsigned long pa, ea;
+        phys_addr_t paligned;
         void __iomem *ret;
 
         /*
@@ -144,27 +150,30 @@ void __iomem * __ioremap(phys_addr_t addr, unsigned long size,
          * IMALLOC_END
          * 
          */
-        pa = addr & PAGE_MASK;
-        size = PAGE_ALIGN(addr + size) - pa;
+        paligned = addr & PAGE_MASK;
+        size = PAGE_ALIGN(addr + size) - paligned;
 
-        if ((size == 0) || (pa == 0))
+        if ((size == 0) || (paligned == 0))
                 return NULL;
 
         if (mem_init_done) {
                 struct vm_struct *area;
-                area = im_get_free_area(size);
+
+                area = __get_vm_area(size, VM_IOREMAP,
+                                     ioremap_bot, IOREMAP_END);
                 if (area == NULL)
                         return NULL;
-                ea = (unsigned long)(area->addr);
-                ret = __ioremap_com(addr, pa, ea, size, flags);
+                ret = __ioremap_at(paligned, area->addr, size, flags);
                 if (!ret)
-                        im_free(area->addr);
+                        vunmap(area->addr);
         } else {
-                ea = ioremap_bot;
-                ret = __ioremap_com(addr, pa, ea, size, flags);
+                ret = __ioremap_at(paligned, (void *)ioremap_bot, size, flags);
                 if (ret)
                         ioremap_bot += size;
         }
+
+        if (ret)
+                ret += addr & ~PAGE_MASK;
         return ret;
 }
 
@@ -187,62 +196,9 @@ void __iomem * ioremap_flags(phys_addr_t addr, unsigned long size,
 }
 
 
-#define IS_PAGE_ALIGNED(_val) ((_val) == ((_val) & PAGE_MASK))
-
-int __ioremap_explicit(phys_addr_t pa, unsigned long ea,
-                       unsigned long size, unsigned long flags)
-{
-        struct vm_struct *area;
-        void __iomem *ret;
-        
-        /* For now, require page-aligned values for pa, ea, and size */
-        if (!IS_PAGE_ALIGNED(pa) || !IS_PAGE_ALIGNED(ea) ||
-            !IS_PAGE_ALIGNED(size)) {
-                printk(KERN_ERR "unaligned value in %s\n", __FUNCTION__);
-                return 1;
-        }
-        
-        if (!mem_init_done) {
-                /* Two things to consider in this case:
-                 * 1) No records will be kept (imalloc, etc) that the region
-                 *    has been remapped
-                 * 2) It won't be easy to iounmap() the region later (because
-                 *    of 1)
-                 */
-                ;
-        } else {
-                area = im_get_area(ea, size,
-                        IM_REGION_UNUSED|IM_REGION_SUBSET|IM_REGION_EXISTS);
-                if (area == NULL) {
-                        /* Expected when PHB-dlpar is in play */
-                        return 1;
-                }
-                if (ea != (unsigned long) area->addr) {
-                        printk(KERN_ERR "unexpected addr return from "
-                               "im_get_area\n");
-                        return 1;
-                }
-        }
-        
-        ret = __ioremap_com(pa, pa, ea, size, flags);
-        if (ret == NULL) {
-                printk(KERN_ERR "ioremap_explicit() allocation failure !\n");
-                return 1;
-        }
-        if (ret != (void *) ea) {
-                printk(KERN_ERR "__ioremap_com() returned unexpected addr\n");
-                return 1;
-        }
-
-        return 0;
-}
-
 /*  
  * Unmap an IO region and remove it from imalloc'd list.
  * Access to IO memory should be serialized by driver.
- * This code is modeled after vmalloc code - unmap_vm_area()
- *
- * XXX  what about calls before mem_init_done (ie python_countermeasures())
  */
 void __iounmap(volatile void __iomem *token)
 {
@@ -251,9 +207,14 @@ void __iounmap(volatile void __iomem *token)
         if (!mem_init_done)
                 return;
         
-        addr = (void *) ((unsigned long __force) token & PAGE_MASK);
-
-        im_free(addr);
+        addr = (void *) ((unsigned long __force)
+                         PCI_FIX_ADDR(token) & PAGE_MASK);
+        if ((unsigned long)addr < ioremap_bot) {
+                printk(KERN_WARNING "Attempt to iounmap early bolted mapping"
+                       " at 0x%p\n", addr);
+                return;
+        }
+        vunmap(addr);
 }
 
 void iounmap(volatile void __iomem *token)
@@ -264,77 +225,8 @@ void iounmap(volatile void __iomem *token)
                 __iounmap(token);
 }
 
-static int iounmap_subset_regions(unsigned long addr, unsigned long size)
-{
-        struct vm_struct *area;
-
-        /* Check whether subsets of this region exist */
-        area = im_get_area(addr, size, IM_REGION_SUPERSET);
-        if (area == NULL)
-                return 1;
-
-        while (area) {
-                iounmap((void __iomem *) area->addr);
-                area = im_get_area(addr, size,
-                                IM_REGION_SUPERSET);
-        }
-
-        return 0;
-}
-
-int __iounmap_explicit(volatile void __iomem *start, unsigned long size)
-{
-        struct vm_struct *area;
-        unsigned long addr;
-        int rc;
-        
-        addr = (unsigned long __force) start & PAGE_MASK;
-
-        /* Verify that the region either exists or is a subset of an existing
-         * region.  In the latter case, split the parent region to create 
-         * the exact region 
-         */
-        area = im_get_area(addr, size, 
-                            IM_REGION_EXISTS | IM_REGION_SUBSET);
-        if (area == NULL) {
-                /* Determine whether subset regions exist.  If so, unmap */
-                rc = iounmap_subset_regions(addr, size);
-                if (rc) {
-                        printk(KERN_ERR
-                               "%s() cannot unmap nonexistent range 0x%lx\n",
-                                __FUNCTION__, addr);
-                        return 1;
-                }
-        } else {
-                iounmap((void __iomem *) area->addr);
-        }
-        /*
-         * FIXME! This can't be right:
-        iounmap(area->addr);
-         * Maybe it should be "iounmap(area);"
-         */
-        return 0;
-}
-
 EXPORT_SYMBOL(ioremap);
 EXPORT_SYMBOL(ioremap_flags);
 EXPORT_SYMBOL(__ioremap);
 EXPORT_SYMBOL(iounmap);
 EXPORT_SYMBOL(__iounmap);
-
-static DEFINE_SPINLOCK(phb_io_lock);
-
-void __iomem * reserve_phb_iospace(unsigned long size)
-{
-        void __iomem *virt_addr;
-                
-        if (phbs_io_bot >= IMALLOC_BASE) 
-                panic("reserve_phb_iospace(): phb io space overflow\n");
-                        
-        spin_lock(&phb_io_lock);
-        virt_addr = (void __iomem *) phbs_io_bot;
-        phbs_io_bot += size;
-        spin_unlock(&phb_io_lock);
-
-        return virt_addr;
-}
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index ec1421a20aaa..5c45d474cfcc 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -11,7 +11,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
@@ -35,12 +34,12 @@
 
 #include "mmu_decl.h"
 
-PTE *Hash, *Hash_end;
+struct hash_pte *Hash, *Hash_end;
 unsigned long Hash_size, Hash_mask;
 unsigned long _SDR1;
 
 union ubat {                    /* BAT register values to be loaded */
-        BAT     bat;
+        struct ppc_bat bat;
         u32     word[2];
 } BATS[8][2];                   /* 8 pairs of IBAT, DBAT */
 
@@ -245,7 +244,7 @@ void __init MMU_init_hw(void)
         cacheable_memzero(Hash, Hash_size);
         _SDR1 = __pa(Hash) | SDR1_LOW_BITS;
 
-        Hash_end = (PTE *) ((unsigned long)Hash + Hash_size);
+        Hash_end = (struct hash_pte *) ((unsigned long)Hash + Hash_size);
 
         printk("Total memory = %ldMB; using %ldkB for hash table (at %p)\n",
                total_memory >> 20, Hash_size >> 10, Hash);
diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c
index 132c6bc66ce1..28492bbdee8e 100644
--- a/arch/powerpc/mm/stab.c
+++ b/arch/powerpc/mm/stab.c
@@ -55,7 +55,7 @@ static int make_ste(unsigned long stab, unsigned long esid, unsigned long vsid)
                 for (entry = 0; entry < 8; entry++, ste++) {
                         if (!(ste->esid_data & STE_ESID_V)) {
                                 ste->vsid_data = vsid_data;
-                                asm volatile("eieio":::"memory");
+                                eieio();
                                 ste->esid_data = esid_data;
                                 return (global_entry | entry);
                         }
@@ -101,7 +101,7 @@ static int make_ste(unsigned long stab, unsigned long esid, unsigned long vsid)
         asm volatile("sync" : : : "memory");    /* Order update */
 
         castout_ste->vsid_data = vsid_data;
-        asm volatile("eieio" : : : "memory");   /* Order update */
+        eieio();                                /* Order update */
         castout_ste->esid_data = esid_data;
 
         asm volatile("slbie  %0" : : "r" (old_esid << SID_SHIFT));
diff --git a/arch/powerpc/mm/tlb_32.c b/arch/powerpc/mm/tlb_32.c
index 6a69417cbc0e..06c7e77e097a 100644
--- a/arch/powerpc/mm/tlb_32.c
+++ b/arch/powerpc/mm/tlb_32.c
@@ -11,7 +11,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
diff --git a/arch/powerpc/mm/tlb_64.c b/arch/powerpc/mm/tlb_64.c
index 2bfc4d7e1aa2..cbd34fc813ee 100644
--- a/arch/powerpc/mm/tlb_64.c
+++ b/arch/powerpc/mm/tlb_64.c
@@ -8,7 +8,6 @@
  *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
  *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
  *
  *  Derived from "arch/i386/mm/init.c"
  *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
@@ -239,3 +238,59 @@ void pte_free_finish(void)
         pte_free_submit(*batchp);
         *batchp = NULL;
 }
+
+/**
+ * __flush_hash_table_range - Flush all HPTEs for a given address range
+ *                            from the hash table (and the TLB). But keeps
+ *                            the linux PTEs intact.
+ *
+ * @mm          : mm_struct of the target address space (generally init_mm)
+ * @start       : starting address
+ * @end         : ending address (not included in the flush)
+ *
+ * This function is mostly to be used by some IO hotplug code in order
+ * to remove all hash entries from a given address range used to map IO
+ * space on a removed PCI-PCI bidge without tearing down the full mapping
+ * since 64K pages may overlap with other bridges when using 64K pages
+ * with 4K HW pages on IO space.
+ *
+ * Because of that usage pattern, it's only available with CONFIG_HOTPLUG
+ * and is implemented for small size rather than speed.
+ */
+#ifdef CONFIG_HOTPLUG
+
+void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
+                              unsigned long end)
+{
+        unsigned long flags;
+
+        start = _ALIGN_DOWN(start, PAGE_SIZE);
+        end = _ALIGN_UP(end, PAGE_SIZE);
+
+        BUG_ON(!mm->pgd);
+
+        /* Note: Normally, we should only ever use a batch within a
+         * PTE locked section. This violates the rule, but will work
+         * since we don't actually modify the PTEs, we just flush the
+         * hash while leaving the PTEs intact (including their reference
+         * to being hashed). This is not the most performance oriented
+         * way to do things but is fine for our needs here.
+         */
+        local_irq_save(flags);
+        arch_enter_lazy_mmu_mode();
+        for (; start < end; start += PAGE_SIZE) {
+                pte_t *ptep = find_linux_pte(mm->pgd, start);
+                unsigned long pte;
+
+                if (ptep == NULL)
+                        continue;
+                pte = pte_val(*ptep);
+                if (!(pte & _PAGE_HASHPTE))
+                        continue;
+                hpte_need_flush(mm, start, ptep, pte, 0);
+        }
+        arch_leave_lazy_mmu_mode();
+        local_irq_restore(flags);
+}
+
+#endif /* CONFIG_HOTPLUG */