22 files changed, 316 insertions, 102 deletions

diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 2e27a8c8372b..480f78a3611a 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the linux arm-specific parts of the memory manager.
 #
 
-obj-y                           := consistent.o extable.o fault.o init.o \
+obj-y                           := dma-mapping.o extable.o fault.o init.o \
                                    iomap.o
 
 obj-$(CONFIG_MMU)               += fault-armv.o flush.o ioremap.o mmap.o \
diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S
index eb90bce38e14..2e6dc040c654 100644
--- a/arch/arm/mm/abort-ev7.S
+++ b/arch/arm/mm/abort-ev7.S
@@ -30,3 +30,4 @@ ENTRY(v7_early_abort)
          * New designs should not need to patch up faults.
          */
         mov     pc, lr
+ENDPROC(v7_early_abort)
diff --git a/arch/arm/mm/abort-nommu.S b/arch/arm/mm/abort-nommu.S
index a7cc7f9ee45d..625e580945b5 100644
--- a/arch/arm/mm/abort-nommu.S
+++ b/arch/arm/mm/abort-nommu.S
@@ -17,3 +17,4 @@ ENTRY(nommu_early_abort)
         mov     r0, #0                          @ clear r0, r1 (no FSR/FAR)
         mov     r1, #0
         mov     pc, lr
+ENDPROC(nommu_early_abort)
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index e162cca5917f..133e65d166b3 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -17,8 +17,8 @@
 #include <linux/string.h>
 #include <linux/proc_fs.h>
 #include <linux/init.h>
+#include <linux/uaccess.h>
 
-#include <asm/uaccess.h>
 #include <asm/unaligned.h>
 
 #include "fault.h"
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 76b800a95191..b480f1d3591f 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -18,9 +18,9 @@
  */
 #include <linux/init.h>
 #include <linux/spinlock.h>
+#include <linux/io.h>
 
 #include <asm/cacheflush.h>
-#include <asm/io.h>
 #include <asm/hardware/cache-l2x0.h>
 
 #define CACHE_LINE_SIZE         32
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 35ffc4d95997..d19c2bec2b1f 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -66,6 +66,7 @@ finished:
         mcr     p15, 2, r10, c0, c0, 0          @ select current cache level in cssr
         isb
         mov     pc, lr
+ENDPROC(v7_flush_dcache_all)
 
 /*
  *      v7_flush_cache_all()
@@ -85,6 +86,7 @@ ENTRY(v7_flush_kern_cache_all)
         mcr     p15, 0, r0, c7, c5, 0           @ I+BTB cache invalidate
         ldmfd   sp!, {r4-r5, r7, r9-r11, lr}
         mov     pc, lr
+ENDPROC(v7_flush_kern_cache_all)
 
 /*
  *      v7_flush_cache_all()
@@ -110,6 +112,8 @@ ENTRY(v7_flush_user_cache_all)
  */
 ENTRY(v7_flush_user_cache_range)
         mov     pc, lr
+ENDPROC(v7_flush_user_cache_all)
+ENDPROC(v7_flush_user_cache_range)
 
 /*
  *      v7_coherent_kern_range(start,end)
@@ -155,6 +159,8 @@ ENTRY(v7_coherent_user_range)
         dsb
         isb
         mov     pc, lr
+ENDPROC(v7_coherent_kern_range)
+ENDPROC(v7_coherent_user_range)
 
 /*
  *      v7_flush_kern_dcache_page(kaddr)
@@ -174,6 +180,7 @@ ENTRY(v7_flush_kern_dcache_page)
         blo     1b
         dsb
         mov     pc, lr
+ENDPROC(v7_flush_kern_dcache_page)
 
 /*
  *      v7_dma_inv_range(start,end)
@@ -202,6 +209,7 @@ ENTRY(v7_dma_inv_range)
         blo     1b
         dsb
         mov     pc, lr
+ENDPROC(v7_dma_inv_range)
 
 /*
  *      v7_dma_clean_range(start,end)
@@ -219,6 +227,7 @@ ENTRY(v7_dma_clean_range)
         blo     1b
         dsb
         mov     pc, lr
+ENDPROC(v7_dma_clean_range)
 
 /*
  *      v7_dma_flush_range(start,end)
@@ -236,6 +245,7 @@ ENTRY(v7_dma_flush_range)
         blo     1b
         dsb
         mov     pc, lr
+ENDPROC(v7_dma_flush_range)
 
         __INITDATA
 
diff --git a/arch/arm/mm/cache-xsc3l2.c b/arch/arm/mm/cache-xsc3l2.c
index 158bd96763d3..10b1bae1a258 100644
--- a/arch/arm/mm/cache-xsc3l2.c
+++ b/arch/arm/mm/cache-xsc3l2.c
@@ -18,10 +18,11 @@
  */
 #include <linux/init.h>
 #include <linux/spinlock.h>
+#include <linux/io.h>
 
 #include <asm/system.h>
+#include <asm/cputype.h>
 #include <asm/cacheflush.h>
-#include <asm/io.h>
 
 #define CR_L2   (1 << 26)
 
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index 3adb79257f43..0e21c0767580 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -16,6 +16,7 @@
 #include <asm/shmparam.h>
 #include <asm/tlbflush.h>
 #include <asm/cacheflush.h>
+#include <asm/cachetype.h>
 
 #include "mm.h"
 
diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/dma-mapping.c
index db7b3e38ef1d..67960017dc8f 100644
--- a/arch/arm/mm/consistent.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1,5 +1,5 @@
 /*
- *  linux/arch/arm/mm/consistent.c
+ *  linux/arch/arm/mm/dma-mapping.c
  *
  *  Copyright (C) 2000-2004 Russell King
  *
@@ -512,3 +512,105 @@ void dma_cache_maint(const void *start, size_t size, int direction)
         }
 }
 EXPORT_SYMBOL(dma_cache_maint);
+
+/**
+ * dma_map_sg - map a set of SG buffers for streaming mode DMA
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @sg: list of buffers
+ * @nents: number of buffers to map
+ * @dir: DMA transfer direction
+ *
+ * Map a set of buffers described by scatterlist in streaming mode for DMA.
+ * This is the scatter-gather version of the dma_map_single interface.
+ * Here the scatter gather list elements are each tagged with the
+ * appropriate dma address and length.  They are obtained via
+ * sg_dma_{address,length}.
+ *
+ * Device ownership issues as mentioned for dma_map_single are the same
+ * here.
+ */
+int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+                enum dma_data_direction dir)
+{
+        struct scatterlist *s;
+        int i, j;
+
+        for_each_sg(sg, s, nents, i) {
+                s->dma_address = dma_map_page(dev, sg_page(s), s->offset,
+                                                s->length, dir);
+                if (dma_mapping_error(dev, s->dma_address))
+                        goto bad_mapping;
+        }
+        return nents;
+
+ bad_mapping:
+        for_each_sg(sg, s, i, j)
+                dma_unmap_page(dev, sg_dma_address(s), sg_dma_len(s), dir);
+        return 0;
+}
+EXPORT_SYMBOL(dma_map_sg);
+
+/**
+ * dma_unmap_sg - unmap a set of SG buffers mapped by dma_map_sg
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @sg: list of buffers
+ * @nents: number of buffers to unmap (returned from dma_map_sg)
+ * @dir: DMA transfer direction (same as was passed to dma_map_sg)
+ *
+ * Unmap a set of streaming mode DMA translations.  Again, CPU access
+ * rules concerning calls here are the same as for dma_unmap_single().
+ */
+void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
+                enum dma_data_direction dir)
+{
+        struct scatterlist *s;
+        int i;
+
+        for_each_sg(sg, s, nents, i)
+                dma_unmap_page(dev, sg_dma_address(s), sg_dma_len(s), dir);
+}
+EXPORT_SYMBOL(dma_unmap_sg);
+
+/**
+ * dma_sync_sg_for_cpu
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @sg: list of buffers
+ * @nents: number of buffers to map (returned from dma_map_sg)
+ * @dir: DMA transfer direction (same as was passed to dma_map_sg)
+ */
+void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
+                        int nents, enum dma_data_direction dir)
+{
+        struct scatterlist *s;
+        int i;
+
+        for_each_sg(sg, s, nents, i) {
+                dmabounce_sync_for_cpu(dev, sg_dma_address(s), 0,
+                                        sg_dma_len(s), dir);
+        }
+}
+EXPORT_SYMBOL(dma_sync_sg_for_cpu);
+
+/**
+ * dma_sync_sg_for_device
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @sg: list of buffers
+ * @nents: number of buffers to map (returned from dma_map_sg)
+ * @dir: DMA transfer direction (same as was passed to dma_map_sg)
+ */
+void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
+                        int nents, enum dma_data_direction dir)
+{
+        struct scatterlist *s;
+        int i;
+
+        for_each_sg(sg, s, nents, i) {
+                if (!dmabounce_sync_for_device(dev, sg_dma_address(s), 0,
+                                        sg_dma_len(s), dir))
+                        continue;
+
+                if (!arch_is_coherent())
+                        dma_cache_maint(sg_virt(s), s->length, dir);
+        }
+}
+EXPORT_SYMBOL(dma_sync_sg_for_device);
diff --git a/arch/arm/mm/extable.c b/arch/arm/mm/extable.c
index 9592c3ee4cb2..9d285626bc7d 100644
--- a/arch/arm/mm/extable.c
+++ b/arch/arm/mm/extable.c
@@ -2,7 +2,7 @@
  *  linux/arch/arm/mm/extable.c
  */
 #include <linux/module.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 int fixup_exception(struct pt_regs *regs)
 {
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index a8ec97b4752e..af6ed6ef9a81 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -17,7 +17,9 @@
 #include <linux/init.h>
 #include <linux/pagemap.h>
 
+#include <asm/bugs.h>
 #include <asm/cacheflush.h>
+#include <asm/cachetype.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
 
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 28ad7ab1c0cd..2df8d9facf57 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -13,11 +13,11 @@
 #include <linux/mm.h>
 #include <linux/init.h>
 #include <linux/kprobes.h>
+#include <linux/uaccess.h>
 
 #include <asm/system.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
-#include <asm/uaccess.h>
 
 #include "fault.h"
 
@@ -72,9 +72,8 @@ void show_pte(struct mm_struct *mm, unsigned long addr)
                 }
 
                 pmd = pmd_offset(pgd, addr);
-#if PTRS_PER_PMD != 1
-                printk(", *pmd=%08lx", pmd_val(*pmd));
-#endif
+                if (PTRS_PER_PMD != 1)
+                        printk(", *pmd=%08lx", pmd_val(*pmd));
 
                 if (pmd_none(*pmd))
                         break;
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 029ee65fda2b..0fa9bf388f0b 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -12,6 +12,7 @@
 #include <linux/pagemap.h>
 
 #include <asm/cacheflush.h>
+#include <asm/cachetype.h>
 #include <asm/system.h>
 #include <asm/tlbflush.h>
 
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 30a69d67d673..82c4b4217989 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -26,9 +26,42 @@
 
 #include "mm.h"
 
-extern void _text, _etext, __data_start, _end, __init_begin, __init_end;
-extern unsigned long phys_initrd_start;
-extern unsigned long phys_initrd_size;
+static unsigned long phys_initrd_start __initdata = 0;
+static unsigned long phys_initrd_size __initdata = 0;
+
+static void __init early_initrd(char **p)
+{
+        unsigned long start, size;
+
+        start = memparse(*p, p);
+        if (**p == ',') {
+                size = memparse((*p) + 1, p);
+
+                phys_initrd_start = start;
+                phys_initrd_size = size;
+        }
+}
+__early_param("initrd=", early_initrd);
+
+static int __init parse_tag_initrd(const struct tag *tag)
+{
+        printk(KERN_WARNING "ATAG_INITRD is deprecated; "
+                "please update your bootloader.\n");
+        phys_initrd_start = __virt_to_phys(tag->u.initrd.start);
+        phys_initrd_size = tag->u.initrd.size;
+        return 0;
+}
+
+__tagtable(ATAG_INITRD, parse_tag_initrd);
+
+static int __init parse_tag_initrd2(const struct tag *tag)
+{
+        phys_initrd_start = tag->u.initrd.start;
+        phys_initrd_size = tag->u.initrd.size;
+        return 0;
+}
+
+__tagtable(ATAG_INITRD2, parse_tag_initrd2);
 
 /*
  * This is used to pass memory configuration data from paging_init
@@ -36,10 +69,6 @@ extern unsigned long phys_initrd_size;
  */
 static struct meminfo meminfo = { 0, };
 
-#define for_each_nodebank(iter,mi,no)                   \
-        for (iter = 0; iter < mi->nr_banks; iter++)     \
-                if (mi->bank[iter].node == no)
-
 void show_mem(void)
 {
         int free = 0, total = 0, reserved = 0;
@@ -50,14 +79,15 @@ void show_mem(void)
         show_free_areas();
         for_each_online_node(node) {
                 pg_data_t *n = NODE_DATA(node);
-                struct page *map = n->node_mem_map - n->node_start_pfn;
+                struct page *map = pgdat_page_nr(n, 0) - n->node_start_pfn;
 
                 for_each_nodebank (i,mi,node) {
+                        struct membank *bank = &mi->bank[i];
                         unsigned int pfn1, pfn2;
                         struct page *page, *end;
 
-                        pfn1 = __phys_to_pfn(mi->bank[i].start);
-                        pfn2 = __phys_to_pfn(mi->bank[i].size + mi->bank[i].start);
+                        pfn1 = bank_pfn_start(bank);
+                        pfn2 = bank_pfn_end(bank);
 
                         page = map + pfn1;
                         end  = map + pfn2;
@@ -96,17 +126,17 @@ void show_mem(void)
 static unsigned int __init
 find_bootmap_pfn(int node, struct meminfo *mi, unsigned int bootmap_pages)
 {
-        unsigned int start_pfn, bank, bootmap_pfn;
+        unsigned int start_pfn, i, bootmap_pfn;
 
         start_pfn   = PAGE_ALIGN(__pa(&_end)) >> PAGE_SHIFT;
         bootmap_pfn = 0;
 
-        for_each_nodebank(bank, mi, node) {
+        for_each_nodebank(i, mi, node) {
+                struct membank *bank = &mi->bank[i];
                 unsigned int start, end;
 
-                start = mi->bank[bank].start >> PAGE_SHIFT;
-                end   = (mi->bank[bank].size +
-                         mi->bank[bank].start) >> PAGE_SHIFT;
+                start = bank_pfn_start(bank);
+                end   = bank_pfn_end(bank);
 
                 if (end < start_pfn)
                         continue;
@@ -145,13 +175,10 @@ static int __init check_initrd(struct meminfo *mi)
                 initrd_node = -1;
 
                 for (i = 0; i < mi->nr_banks; i++) {
-                        unsigned long bank_end;
-
-                        bank_end = mi->bank[i].start + mi->bank[i].size;
-
-                        if (mi->bank[i].start <= phys_initrd_start &&
-                            end <= bank_end)
-                                initrd_node = mi->bank[i].node;
+                        struct membank *bank = &mi->bank[i];
+                        if (bank_phys_start(bank) <= phys_initrd_start &&
+                            end <= bank_phys_end(bank))
+                                initrd_node = bank->node;
                 }
         }
 
@@ -171,19 +198,17 @@ static inline void map_memory_bank(struct membank *bank)
 #ifdef CONFIG_MMU
         struct map_desc map;
 
-        map.pfn = __phys_to_pfn(bank->start);
-        map.virtual = __phys_to_virt(bank->start);
-        map.length = bank->size;
+        map.pfn = bank_pfn_start(bank);
+        map.virtual = __phys_to_virt(bank_phys_start(bank));
+        map.length = bank_phys_size(bank);
         map.type = MT_MEMORY;
 
         create_mapping(&map);
 #endif
 }
 
-static unsigned long __init
-bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
+static unsigned long __init bootmem_init_node(int node, struct meminfo *mi)
 {
-        unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
         unsigned long start_pfn, end_pfn, boot_pfn;
         unsigned int boot_pages;
         pg_data_t *pgdat;
@@ -199,8 +224,8 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
                 struct membank *bank = &mi->bank[i];
                 unsigned long start, end;
 
-                start = bank->start >> PAGE_SHIFT;
-                end = (bank->start + bank->size) >> PAGE_SHIFT;
+                start = bank_pfn_start(bank);
+                end = bank_pfn_end(bank);
 
                 if (start_pfn > start)
                         start_pfn = start;
@@ -230,8 +255,11 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
         pgdat = NODE_DATA(node);
         init_bootmem_node(pgdat, boot_pfn, start_pfn, end_pfn);
 
-        for_each_nodebank(i, mi, node)
-                free_bootmem_node(pgdat, mi->bank[i].start, mi->bank[i].size);
+        for_each_nodebank(i, mi, node) {
+                struct membank *bank = &mi->bank[i];
+                free_bootmem_node(pgdat, bank_phys_start(bank), bank_phys_size(bank));
+                memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank));
+        }
 
         /*
          * Reserve the bootmem bitmap for this node.
@@ -239,31 +267,39 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
         reserve_bootmem_node(pgdat, boot_pfn << PAGE_SHIFT,
                              boot_pages << PAGE_SHIFT, BOOTMEM_DEFAULT);
 
-        /*
-         * Reserve any special node zero regions.
-         */
-        if (node == 0)
-                reserve_node_zero(pgdat);
+        return end_pfn;
+}
 
+static void __init bootmem_reserve_initrd(int node)
+{
 #ifdef CONFIG_BLK_DEV_INITRD
-        /*
-         * If the initrd is in this node, reserve its memory.
-         */
-        if (node == initrd_node) {
-                int res = reserve_bootmem_node(pgdat, phys_initrd_start,
-                                     phys_initrd_size, BOOTMEM_EXCLUSIVE);
-
-                if (res == 0) {
-                        initrd_start = __phys_to_virt(phys_initrd_start);
-                        initrd_end = initrd_start + phys_initrd_size;
-                } else {
-                        printk(KERN_ERR
-                                "INITRD: 0x%08lx+0x%08lx overlaps in-use "
-                                "memory region - disabling initrd\n",
-                                phys_initrd_start, phys_initrd_size);
-                }
+        pg_data_t *pgdat = NODE_DATA(node);
+        int res;
+
+        res = reserve_bootmem_node(pgdat, phys_initrd_start,
+                             phys_initrd_size, BOOTMEM_EXCLUSIVE);
+
+        if (res == 0) {
+                initrd_start = __phys_to_virt(phys_initrd_start);
+                initrd_end = initrd_start + phys_initrd_size;
+        } else {
+                printk(KERN_ERR
+                        "INITRD: 0x%08lx+0x%08lx overlaps in-use "
+                        "memory region - disabling initrd\n",
+                        phys_initrd_start, phys_initrd_size);
         }
 #endif
+}
+
+static void __init bootmem_free_node(int node, struct meminfo *mi)
+{
+        unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
+        unsigned long start_pfn, end_pfn;
+        pg_data_t *pgdat = NODE_DATA(node);
+        int i;
+
+        start_pfn = pgdat->bdata->node_min_pfn;
+        end_pfn = pgdat->bdata->node_low_pfn;
 
         /*
          * initialise the zones within this node.
@@ -284,7 +320,7 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
          */
         zhole_size[0] = zone_size[0];
         for_each_nodebank(i, mi, node)
-                zhole_size[0] -= mi->bank[i].size >> PAGE_SHIFT;
+                zhole_size[0] -= bank_pfn_size(&mi->bank[i]);
 
         /*
          * Adjust the sizes according to any special requirements for
@@ -293,21 +329,12 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
         arch_adjust_zones(node, zone_size, zhole_size);
 
         free_area_init_node(node, zone_size, start_pfn, zhole_size);
-
-        return end_pfn;
 }
 
 void __init bootmem_init(struct meminfo *mi)
 {
         unsigned long memend_pfn = 0;
-        int node, initrd_node, i;
-
-        /*
-         * Invalidate the node number for empty or invalid memory banks
-         */
-        for (i = 0; i < mi->nr_banks; i++)
-                if (mi->bank[i].size == 0 || mi->bank[i].node >= MAX_NUMNODES)
-                        mi->bank[i].node = -1;
+        int node, initrd_node;
 
         memcpy(&meminfo, mi, sizeof(meminfo));
 
@@ -320,9 +347,19 @@ void __init bootmem_init(struct meminfo *mi)
          * Run through each node initialising the bootmem allocator.
          */
         for_each_node(node) {
-                unsigned long end_pfn;
+                unsigned long end_pfn = bootmem_init_node(node, mi);
 
-                end_pfn = bootmem_init_node(node, initrd_node, mi);
+                /*
+                 * Reserve any special node zero regions.
+                 */
+                if (node == 0)
+                        reserve_node_zero(NODE_DATA(node));
+
+                /*
+                 * If the initrd is in this node, reserve its memory.
+                 */
+                if (node == initrd_node)
+                        bootmem_reserve_initrd(node);
 
                 /*
                  * Remember the highest memory PFN.
@@ -331,6 +368,19 @@ void __init bootmem_init(struct meminfo *mi)
                         memend_pfn = end_pfn;
         }
 
+        /*
+         * sparse_init() needs the bootmem allocator up and running.
+         */
+        sparse_init();
+
+        /*
+         * Now free memory in each node - free_area_init_node needs
+         * the sparse mem_map arrays initialized by sparse_init()
+         * for memmap_init_zone(), otherwise all PFNs are invalid.
+         */
+        for_each_node(node)
+                bootmem_free_node(node, mi);
+
         high_memory = __va(memend_pfn << PAGE_SHIFT);
 
         /*
@@ -401,7 +451,9 @@ static void __init free_unused_memmap_node(int node, struct meminfo *mi)
          * information on the command line.
          */
         for_each_nodebank(i, mi, node) {
-                bank_start = mi->bank[i].start >> PAGE_SHIFT;
+                struct membank *bank = &mi->bank[i];
+
+                bank_start = bank_pfn_start(bank);
                 if (bank_start < prev_bank_end) {
                         printk(KERN_ERR "MEM: unordered memory banks.  "
                                 "Not freeing memmap.\n");
@@ -415,8 +467,7 @@ static void __init free_unused_memmap_node(int node, struct meminfo *mi)
                 if (prev_bank_end && prev_bank_end != bank_start)
                         free_memmap(node, prev_bank_end, bank_start);
 
-                prev_bank_end = (mi->bank[i].start +
-                                 mi->bank[i].size) >> PAGE_SHIFT;
+                prev_bank_end = bank_pfn_end(bank);
         }
 }
 
@@ -461,8 +512,8 @@ void __init mem_init(void)
 
         num_physpages = 0;
         for (i = 0; i < meminfo.nr_banks; i++) {
-                num_physpages += meminfo.bank[i].size >> PAGE_SHIFT;
-                printk(" %ldMB", meminfo.bank[i].size >> 20);
+                num_physpages += bank_pfn_size(&meminfo.bank[i]);
+                printk(" %ldMB", bank_phys_size(&meminfo.bank[i]) >> 20);
         }
 
         printk(" = %luMB total\n", num_physpages >> (20 - PAGE_SHIFT));
diff --git a/arch/arm/mm/iomap.c b/arch/arm/mm/iomap.c
index 7429f8c01015..ffad039cbb73 100644
--- a/arch/arm/mm/iomap.c
+++ b/arch/arm/mm/iomap.c
@@ -7,8 +7,7 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/ioport.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
 
 #ifdef __io
 void __iomem *ioport_map(unsigned long port, unsigned int nr)
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index b81dbf9ffb77..8a41912ec7c5 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -24,9 +24,10 @@
 #include <linux/errno.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
+#include <linux/io.h>
 
+#include <asm/cputype.h>
 #include <asm/cacheflush.h>
-#include <asm/io.h>
 #include <asm/mmu_context.h>
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
@@ -332,15 +333,14 @@ __arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
 }
 EXPORT_SYMBOL(__arm_ioremap);
 
-void __iounmap(volatile void __iomem *addr)
+void __iounmap(volatile void __iomem *io_addr)
 {
+        void *addr = (void *)(PAGE_MASK & (unsigned long)io_addr);
 #ifndef CONFIG_SMP
         struct vm_struct **p, *tmp;
 #endif
         unsigned int section_mapping = 0;
 
-        addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long)addr);
-
 #ifndef CONFIG_SMP
         /*
          * If this is a section based mapping we need to handle it
@@ -351,7 +351,7 @@ void __iounmap(volatile void __iomem *addr)
          */
         write_lock(&vmlist_lock);
         for (p = &vmlist ; (tmp = *p) ; p = &tmp->next) {
-                if((tmp->flags & VM_IOREMAP) && (tmp->addr == addr)) {
+                if ((tmp->flags & VM_IOREMAP) && (tmp->addr == addr)) {
                         if (tmp->flags & VM_ARM_SECTION_MAPPING) {
                                 *p = tmp->next;
                                 unmap_area_sections((unsigned long)tmp->addr,
@@ -366,6 +366,6 @@ void __iounmap(volatile void __iomem *addr)
 #endif
 
         if (!section_mapping)
-                vunmap((void __force *)addr);
+                vunmap(addr);
 }
 EXPORT_SYMBOL(__iounmap);
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index 7647c597fc59..96590104ba0f 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -35,3 +35,5 @@ struct pglist_data;
 void __init create_mapping(struct map_desc *md);
 void __init bootmem_init(struct meminfo *mi);
 void reserve_node_zero(struct pglist_data *pgdat);
+
+extern void _text, _stext, _etext, __data_start, _end, __init_begin, __init_end;
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index 3f6dc40b8353..5358fcc7f61e 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -6,6 +6,8 @@
 #include <linux/mman.h>
 #include <linux/shm.h>
 #include <linux/sched.h>
+#include <linux/io.h>
+#include <asm/cputype.h>
 #include <asm/system.h>
 
 #define COLOUR_ALIGN(addr,pgoff)                \
@@ -37,8 +39,8 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
          * caches alias.  This is indicated by bits 9 and 21 of the
          * cache type register.
          */
-        cache_type = read_cpuid(CPUID_CACHETYPE);
-        if (cache_type != read_cpuid(CPUID_ID)) {
+        cache_type = read_cpuid_cachetype();
+        if (cache_type != read_cpuid_id()) {
                 aliasing = (cache_type | cache_type >> 12) & (1 << 11);
                 if (aliasing)
                         do_align = filp || flags & MAP_SHARED;
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 25d9a11eb617..e7af83e569d7 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -15,6 +15,7 @@
 #include <linux/mman.h>
 #include <linux/nodemask.h>
 
+#include <asm/cputype.h>
 #include <asm/mach-types.h>
 #include <asm/setup.h>
 #include <asm/sizes.h>
@@ -27,9 +28,6 @@
 
 DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
 
-extern void _stext, _etext, __data_start, _end;
-extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
-
 /*
  * empty_zero_page is a special page that is used for
  * zero-initialized data and COW.
@@ -568,12 +566,35 @@ void __init iotable_init(struct map_desc *io_desc, int nr)
                 create_mapping(io_desc + i);
 }
 
+static unsigned long __initdata vmalloc_reserve = SZ_128M;
+
+/*
+ * vmalloc=size forces the vmalloc area to be exactly 'size'
+ * bytes. This can be used to increase (or decrease) the vmalloc
+ * area - the default is 128m.
+ */
+static void __init early_vmalloc(char **arg)
+{
+        vmalloc_reserve = memparse(*arg, arg);
+
+        if (vmalloc_reserve < SZ_16M) {
+                vmalloc_reserve = SZ_16M;
+                printk(KERN_WARNING
+                        "vmalloc area too small, limiting to %luMB\n",
+                        vmalloc_reserve >> 20);
+        }
+}
+__early_param("vmalloc=", early_vmalloc);
+
+#define VMALLOC_MIN     (void *)(VMALLOC_END - vmalloc_reserve)
+
 static int __init check_membank_valid(struct membank *mb)
 {
         /*
-         * Check whether this memory region has non-zero size.
+         * Check whether this memory region has non-zero size or
+         * invalid node number.
          */
-        if (mb->size == 0)
+        if (mb->size == 0 || mb->node >= MAX_NUMNODES)
                 return 0;
 
         /*
@@ -607,8 +628,7 @@ static int __init check_membank_valid(struct membank *mb)
 
 static void __init sanity_check_meminfo(struct meminfo *mi)
 {
-        int i;
-        int j;
+        int i, j;
 
         for (i = 0, j = 0; i < mi->nr_banks; i++) {
                 if (check_membank_valid(&mi->bank[i]))
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 63c62fdea521..07b62b238979 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -7,16 +7,14 @@
 #include <linux/mm.h>
 #include <linux/pagemap.h>
 #include <linux/bootmem.h>
+#include <linux/io.h>
 
 #include <asm/cacheflush.h>
-#include <asm/io.h>
 #include <asm/page.h>
 #include <asm/mach/arch.h>
 
 #include "mm.h"
 
-extern void _stext, __data_start, _end;
-
 /*
  * Reserve the various regions of node 0
  */
@@ -43,12 +41,26 @@ void __init reserve_node_zero(pg_data_t *pgdat)
                         BOOTMEM_DEFAULT);
 }
 
+static void __init sanity_check_meminfo(struct meminfo *mi)
+{
+        int i, j;
+
+        for (i = 0, j = 0; i < mi->nr_banks; i++) {
+                struct membank *mb = &mi->bank[i];
+
+                if (mb->size != 0 && mb->node < MAX_NUMNODES)
+                        mi->bank[j++] = mi->bank[i];
+        }
+        mi->nr_banks = j;
+}
+
 /*
  * paging_init() sets up the page tables, initialises the zone memory
  * maps, and sets up the zero page, bad page and bad page tables.
  */
 void __init paging_init(struct meminfo *mi, struct machine_desc *mdesc)
 {
+        sanity_check_meminfo(mi);
         bootmem_init(mi);
 }
 
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index b49f9a4c82c8..a67e26f3dce2 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -25,9 +25,11 @@
 
 ENTRY(cpu_v7_proc_init)
         mov     pc, lr
+ENDPROC(cpu_v7_proc_init)
 
 ENTRY(cpu_v7_proc_fin)
         mov     pc, lr
+ENDPROC(cpu_v7_proc_fin)
 
 /*
  *      cpu_v7_reset(loc)
@@ -43,6 +45,7 @@ ENTRY(cpu_v7_proc_fin)
         .align  5
 ENTRY(cpu_v7_reset)
         mov     pc, r0
+ENDPROC(cpu_v7_reset)
 
 /*
  *      cpu_v7_do_idle()
@@ -52,8 +55,9 @@ ENTRY(cpu_v7_reset)
  *      IRQs are already disabled.
  */
 ENTRY(cpu_v7_do_idle)
-        .long   0xe320f003                      @ ARM V7 WFI instruction
+        wfi
         mov     pc, lr
+ENDPROC(cpu_v7_do_idle)
 
 ENTRY(cpu_v7_dcache_clean_area)
 #ifndef TLB_CAN_READ_FROM_L1_CACHE
@@ -65,6 +69,7 @@ ENTRY(cpu_v7_dcache_clean_area)
         dsb
 #endif
         mov     pc, lr
+ENDPROC(cpu_v7_dcache_clean_area)
 
 /*
  *      cpu_v7_switch_mm(pgd_phys, tsk)
@@ -89,6 +94,7 @@ ENTRY(cpu_v7_switch_mm)
         isb
 #endif
         mov     pc, lr
+ENDPROC(cpu_v7_switch_mm)
 
 /*
  *      cpu_v7_set_pte_ext(ptep, pte)
@@ -141,6 +147,7 @@ ENTRY(cpu_v7_set_pte_ext)
         mcr     p15, 0, r0, c7, c10, 1          @ flush_pte
 #endif
         mov     pc, lr
+ENDPROC(cpu_v7_set_pte_ext)
 
 cpu_v7_name:
         .ascii  "ARMv7 Processor"
@@ -188,6 +195,7 @@ __v7_setup:
         bic     r0, r0, r5                      @ clear bits them
         orr     r0, r0, r6                      @ set them
         mov     pc, lr                          @ return to head.S:__ret
+ENDPROC(__v7_setup)
 
         /*
          *         V X F   I D LR
diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S
index b56dda8052f7..24ba5109f2e7 100644
--- a/arch/arm/mm/tlb-v7.S
+++ b/arch/arm/mm/tlb-v7.S
@@ -51,6 +51,7 @@ ENTRY(v7wbi_flush_user_tlb_range)
         mcr     p15, 0, ip, c7, c5, 6           @ flush BTAC/BTB
         dsb
         mov     pc, lr
+ENDPROC(v7wbi_flush_user_tlb_range)
 
 /*
  *      v7wbi_flush_kern_tlb_range(start,end)
@@ -77,6 +78,7 @@ ENTRY(v7wbi_flush_kern_tlb_range)
         dsb
         isb
         mov     pc, lr
+ENDPROC(v7wbi_flush_kern_tlb_range)
 
         .section ".text.init", #alloc, #execinstr