Merge branch 'merge'

24 files changed, 139 insertions, 78 deletions

diff --git a/include/asm-alpha/smp.h b/include/asm-alpha/smp.h
index 9950706abdf8..e1432102be05 100644
--- a/include/asm-alpha/smp.h
+++ b/include/asm-alpha/smp.h
@@ -45,10 +45,8 @@ extern struct cpuinfo_alpha cpu_data[NR_CPUS];
 #define hard_smp_processor_id() __hard_smp_processor_id()
 #define raw_smp_processor_id()  (current_thread_info()->cpu)
 
-extern cpumask_t cpu_present_mask;
-extern cpumask_t cpu_online_map;
 extern int smp_num_cpus;
-#define cpu_possible_map        cpu_present_mask
+#define cpu_possible_map        cpu_present_map
 
 int smp_call_function_on_cpu(void (*func) (void *info), void *info,int retry, int wait, cpumask_t cpu);
 
diff --git a/include/asm-arm/arch-ixp23xx/memory.h b/include/asm-arm/arch-ixp23xx/memory.h
index 6e19f46d54d1..c85fc06a043c 100644
--- a/include/asm-arm/arch-ixp23xx/memory.h
+++ b/include/asm-arm/arch-ixp23xx/memory.h
@@ -49,7 +49,7 @@ static inline int __ixp23xx_arch_is_coherent(void)
 {
         extern unsigned int processor_id;
 
-        if (((processor_id & 15) >= 2) || machine_is_roadrunner())
+        if (((processor_id & 15) >= 4) || machine_is_roadrunner())
                 return 1;
 
         return 0;
diff --git a/include/asm-arm/arch-l7200/serial_l7200.h b/include/asm-arm/arch-l7200/serial_l7200.h
index 238c595d97ea..b1008a9d23e5 100644
--- a/include/asm-arm/arch-l7200/serial_l7200.h
+++ b/include/asm-arm/arch-l7200/serial_l7200.h
@@ -28,7 +28,7 @@
 #define UARTDR                  0x00    /* Tx/Rx data */
 #define RXSTAT                  0x04    /* Rx status */
 #define H_UBRLCR                0x08    /* mode register high */
-#define M_UBRLCR                0x0C    /* mode reg mid (MSB of buad)*/
+#define M_UBRLCR                0x0C    /* mode reg mid (MSB of baud)*/
 #define L_UBRLCR                0x10    /* mode reg low (LSB of baud)*/
 #define UARTCON                 0x14    /* control register */
 #define UARTFLG                 0x18    /* flag register */
diff --git a/include/asm-arm/arch-l7200/uncompress.h b/include/asm-arm/arch-l7200/uncompress.h
index 9fcd40aee3e3..04be2a088639 100644
--- a/include/asm-arm/arch-l7200/uncompress.h
+++ b/include/asm-arm/arch-l7200/uncompress.h
@@ -6,7 +6,7 @@
  * Changelog:
  *  05-01-2000  SJH     Created
  *  05-13-2000  SJH     Filled in function bodies
- *  07-26-2000  SJH     Removed hard coded buad rate
+ *  07-26-2000  SJH     Removed hard coded baud rate
  */
 
 #include <asm/hardware.h>
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 358e4d309ceb..c2059a3a0621 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -159,17 +159,8 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres
 #define lazy_mmu_prot_update(pte)       do { } while (0)
 #endif
 
-#ifndef __HAVE_ARCH_MULTIPLE_ZERO_PAGE
+#ifndef __HAVE_ARCH_MOVE_PTE
 #define move_pte(pte, prot, old_addr, new_addr) (pte)
-#else
-#define move_pte(pte, prot, old_addr, new_addr)                         \
-({                                                                      \
-        pte_t newpte = (pte);                                           \
-        if (pte_present(pte) && pfn_valid(pte_pfn(pte)) &&              \
-                        pte_page(pte) == ZERO_PAGE(old_addr))           \
-                newpte = mk_pte(ZERO_PAGE(new_addr), (prot));           \
-        newpte;                                                         \
-})
 #endif
 
 /*
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h
index 42520cc84b0f..1386af1cb7d9 100644
--- a/include/asm-mips/addrspace.h
+++ b/include/asm-mips/addrspace.h
@@ -129,6 +129,7 @@
 #if defined (CONFIG_CPU_R4300)                                          \
     || defined (CONFIG_CPU_R4X00)                                       \
     || defined (CONFIG_CPU_R5000)                                       \
+    || defined (CONFIG_CPU_RM7000)                                      \
     || defined (CONFIG_CPU_NEVADA)                                      \
     || defined (CONFIG_CPU_TX49XX)                                      \
     || defined (CONFIG_CPU_MIPS64)
diff --git a/include/asm-mips/delay.h b/include/asm-mips/delay.h
index 64dd45150f64..928f30f8c45c 100644
--- a/include/asm-mips/delay.h
+++ b/include/asm-mips/delay.h
@@ -19,20 +19,22 @@ static inline void __delay(unsigned long loops)
 {
         if (sizeof(long) == 4)
                 __asm__ __volatile__ (
-                ".set\tnoreorder\n"
-                "1:\tbnez\t%0,1b\n\t"
-                "subu\t%0,1\n\t"
-                ".set\treorder"
+                "       .set    noreorder                               \n"
+                "       .align  3                                       \n"
+                "1:     bnez    %0, 1b                                  \n"
+                "       subu    %0, 1                                   \n"
+                "       .set    reorder                                 \n"
                 : "=r" (loops)
                 : "0" (loops));
         else if (sizeof(long) == 8)
                 __asm__ __volatile__ (
-                ".set\tnoreorder\n"
-                "1:\tbnez\t%0,1b\n\t"
-                "dsubu\t%0,1\n\t"
-                ".set\treorder"
-                :"=r" (loops)
-                :"0" (loops));
+                "       .set    noreorder                               \n"
+                "       .align  3                                       \n"
+                "1:     bnez    %0, 1b                                  \n"
+                "       dsubu   %0, 1                                   \n"
+                "       .set    reorder                                 \n"
+                : "=r" (loops)
+                : "0" (loops));
 }
 
 
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index a1eab136ff6c..4035ec79ecd4 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -139,9 +139,11 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 
 #define pfn_to_kaddr(pfn)       __va((pfn) << PAGE_SHIFT)
 
+#ifndef CONFIG_SPARSEMEM
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 #define pfn_valid(pfn)          ((pfn) < max_mapnr)
 #endif
+#endif
 
 #define virt_to_page(kaddr)     pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 #define virt_addr_valid(kaddr)  pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
diff --git a/include/asm-mips/pgtable-32.h b/include/asm-mips/pgtable-32.h
index 4d6bc45df594..087c20769256 100644
--- a/include/asm-mips/pgtable-32.h
+++ b/include/asm-mips/pgtable-32.h
@@ -177,48 +177,67 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
         ((swp_entry_t) { ((type) << 10) | ((offset) << 15) })
 
 /*
- * Bits 0, 1, 2, 9 and 10 are taken, split up the 27 bits of offset
- * into this range:
+ * Bits 0, 4, 8, and 9 are taken, split up 28 bits of offset into this range:
  */
-#define PTE_FILE_MAX_BITS       27
+#define PTE_FILE_MAX_BITS       28
 
-#define pte_to_pgoff(_pte) \
-        ((((_pte).pte >> 3) & 0x3f ) + (((_pte).pte >> 11) << 8 ))
+#define pte_to_pgoff(_pte)      ((((_pte).pte >> 1 ) & 0x07) | \
+                                 (((_pte).pte >> 2 ) & 0x38) | \
+                                 (((_pte).pte >> 10) <<  6 ))
 
-#define pgoff_to_pte(off) \
-        ((pte_t) { (((off) & 0x3f) << 3) + (((off) >> 8) << 11) + _PAGE_FILE })
+#define pgoff_to_pte(off)       ((pte_t) { (((off) & 0x07) << 1 ) | \
+                                           (((off) & 0x38) << 2 ) | \
+                                           (((off) >>  6 ) << 10) | \
+                                           _PAGE_FILE })
 
 #else
 
 /* Swap entries must have VALID and GLOBAL bits cleared. */
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
+#define __swp_type(x)           (((x).val >> 2) & 0x1f)
+#define __swp_offset(x)          ((x).val >> 7)
+#define __swp_entry(type,offset)        \
+                ((swp_entry_t)  { ((type) << 2) | ((offset) << 7) })
+#else
 #define __swp_type(x)           (((x).val >> 8) & 0x1f)
-#define __swp_offset(x)         ((x).val >> 13)
+#define __swp_offset(x)          ((x).val >> 13)
 #define __swp_entry(type,offset)        \
-                ((swp_entry_t) { ((type) << 8) | ((offset) << 13) })
+                ((swp_entry_t)  { ((type) << 8) | ((offset) << 13) })
+#endif /* defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) */
 
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
 /*
- * Bits 0, 1, 2, 7 and 8 are taken, split up the 27 bits of offset
- * into this range:
+ * Bits 0 and 1 of pte_high are taken, use the rest for the page offset...
  */
-#define PTE_FILE_MAX_BITS       27
+#define PTE_FILE_MAX_BITS       30
 
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
-        /* fixme */
-#define pte_to_pgoff(_pte) (((_pte).pte_high >> 6) + ((_pte).pte_high & 0x3f))
-#define pgoff_to_pte(off) \
-        ((pte_t){(((off) & 0x3f) + ((off) << 6) + _PAGE_FILE)})
+#define pte_to_pgoff(_pte)      ((_pte).pte_high >> 2)
+#define pgoff_to_pte(off)       ((pte_t) { _PAGE_FILE, (off) << 2 })
 
 #else
-#define pte_to_pgoff(_pte) \
-        ((((_pte).pte >> 3) & 0x1f ) + (((_pte).pte >> 9) << 6 ))
+/*
+ * Bits 0, 4, 6, and 7 are taken, split up 28 bits of offset into this range:
+ */
+#define PTE_FILE_MAX_BITS       28
+
+#define pte_to_pgoff(_pte)      ((((_pte).pte >> 1) & 0x7) | \
+                                 (((_pte).pte >> 2) & 0x8) | \
+                                 (((_pte).pte >> 8) <<  4))
 
-#define pgoff_to_pte(off) \
-        ((pte_t) { (((off) & 0x1f) << 3) + (((off) >> 6) << 9) + _PAGE_FILE })
+#define pgoff_to_pte(off)       ((pte_t) { (((off) & 0x7) << 1) | \
+                                           (((off) & 0x8) << 2) | \
+                                           (((off) >>  4) << 8) | \
+                                           _PAGE_FILE })
 #endif
 
 #endif
 
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
+#define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_high })
+#define __swp_entry_to_pte(x)   ((pte_t) { 0, (x).val })
+#else
 #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)   ((pte_t) { (x).val })
+#endif
 
 #endif /* _ASM_PGTABLE_32_H */
diff --git a/include/asm-mips/pgtable-64.h b/include/asm-mips/pgtable-64.h
index 82166b254b27..2faf5c9ff127 100644
--- a/include/asm-mips/pgtable-64.h
+++ b/include/asm-mips/pgtable-64.h
@@ -224,15 +224,12 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
 #define __swp_entry_to_pte(x)   ((pte_t) { (x).val })
 
 /*
- * Bits 0, 1, 2, 7 and 8 are taken, split up the 32 bits of offset
- * into this range:
+ * Bits 0, 4, 6, and 7 are taken. Let's leave bits 1, 2, 3, and 5 alone to
+ * make things easier, and only use the upper 56 bits for the page offset...
  */
-#define PTE_FILE_MAX_BITS       32
+#define PTE_FILE_MAX_BITS       56
 
-#define pte_to_pgoff(_pte) \
-        ((((_pte).pte >> 3) & 0x1f ) + (((_pte).pte >> 9) << 6 ))
-
-#define pgoff_to_pte(off) \
-        ((pte_t) { (((off) & 0x1f) << 3) + (((off) >> 6) << 9) + _PAGE_FILE })
+#define pte_to_pgoff(_pte)      ((_pte).pte >> 8)
+#define pgoff_to_pte(off)       ((pte_t) { ((off) << 8) | _PAGE_FILE })
 
 #endif /* _ASM_PGTABLE_64_H */
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h
index 174a3cda8c26..d0af2a3b0152 100644
--- a/include/asm-mips/pgtable.h
+++ b/include/asm-mips/pgtable.h
@@ -70,7 +70,15 @@ extern unsigned long zero_page_mask;
 #define ZERO_PAGE(vaddr) \
         (virt_to_page(empty_zero_page + (((unsigned long)(vaddr)) & zero_page_mask)))
 
-#define __HAVE_ARCH_MULTIPLE_ZERO_PAGE
+#define __HAVE_ARCH_MOVE_PTE
+#define move_pte(pte, prot, old_addr, new_addr)                         \
+({                                                                      \
+        pte_t newpte = (pte);                                           \
+        if (pte_present(pte) && pfn_valid(pte_pfn(pte)) &&              \
+                        pte_page(pte) == ZERO_PAGE(old_addr))           \
+                newpte = mk_pte(ZERO_PAGE(new_addr), (prot));           \
+        newpte;                                                         \
+})
 
 extern void paging_init(void);
 
@@ -345,8 +353,9 @@ static inline pgprot_t pgprot_noncached(pgprot_t _prot)
 #if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
-        pte.pte_low &= _PAGE_CHG_MASK;
-        pte.pte_low |= pgprot_val(newprot);
+        pte.pte_low  &= _PAGE_CHG_MASK;
+        pte.pte_high &= ~0x3f;
+        pte.pte_low  |= pgprot_val(newprot);
         pte.pte_high |= pgprot_val(newprot) & 0x3f;
         return pte;
 }
diff --git a/include/asm-mips/smp.h b/include/asm-mips/smp.h
index 75c6fe7c2126..e14e4b69de21 100644
--- a/include/asm-mips/smp.h
+++ b/include/asm-mips/smp.h
@@ -48,7 +48,6 @@ extern struct call_data_struct *call_data;
 #define SMP_CALL_FUNCTION       0x2
 
 extern cpumask_t phys_cpu_present_map;
-extern cpumask_t cpu_online_map;
 #define cpu_possible_map        phys_cpu_present_map
 
 extern cpumask_t cpu_callout_map;
@@ -86,9 +85,9 @@ extern void prom_init_secondary(void);
 extern void plat_smp_setup(void);
 
 /*
- * Called after init_IRQ but before __cpu_up.
+ * Called in smp_prepare_cpus.
  */
-extern void prom_prepare_cpus(unsigned int max_cpus);
+extern void plat_prepare_cpus(unsigned int max_cpus);
 
 /*
  * Last chance for the board code to finish SMP initialization before
diff --git a/include/asm-mips/sparsemem.h b/include/asm-mips/sparsemem.h
new file mode 100644
index 000000000000..795ac6c23203
--- /dev/null
+++ b/include/asm-mips/sparsemem.h
@@ -0,0 +1,14 @@
+#ifndef _MIPS_SPARSEMEM_H
+#define _MIPS_SPARSEMEM_H
+#ifdef CONFIG_SPARSEMEM
+
+/*
+ * SECTION_SIZE_BITS            2^N: how big each section will be
+ * MAX_PHYSMEM_BITS             2^N: how much memory we can have in that space
+ */
+#define SECTION_SIZE_BITS       28
+#define MAX_PHYSMEM_BITS        35
+
+#endif /* CONFIG_SPARSEMEM */
+#endif /* _MIPS_SPARSEMEM_H */
+
diff --git a/include/asm-s390/futex.h b/include/asm-s390/futex.h
index 40c25e166a9b..1802775568b9 100644
--- a/include/asm-s390/futex.h
+++ b/include/asm-s390/futex.h
@@ -11,23 +11,24 @@
 #define __futex_atomic_fixup \
                      ".section __ex_table,\"a\"\n"                      \
                      "   .align 4\n"                                    \
-                     "   .long  0b,2b,1b,2b\n"                          \
+                     "   .long  0b,4b,2b,4b,3b,4b\n"                    \
                      ".previous"
 #else /* __s390x__ */
 #define __futex_atomic_fixup \
                      ".section __ex_table,\"a\"\n"                      \
                      "   .align 8\n"                                    \
-                     "   .quad  0b,2b,1b,2b\n"                          \
+                     "   .quad  0b,4b,2b,4b,3b,4b\n"                    \
                      ".previous"
 #endif /* __s390x__ */
 
 #define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg)      \
-        asm volatile("   l   %1,0(%6)\n"                                \
-                     "0: " insn                                         \
-                     "   cs  %1,%2,0(%6)\n"                             \
-                     "1: jl  0b\n"                                      \
+        asm volatile("   sacf 256\n"                                    \
+                     "0: l   %1,0(%6)\n"                                \
+                     "1: " insn                                         \
+                     "2: cs  %1,%2,0(%6)\n"                             \
+                     "3: jl  1b\n"                                      \
                      "   lhi %0,0\n"                                    \
-                     "2:\n"                                             \
+                     "4: sacf 0\n"                                      \
                      __futex_atomic_fixup                               \
                      : "=d" (ret), "=&d" (oldval), "=&d" (newval),      \
                        "=m" (*uaddr)                                    \
diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h
index db0606c1abd4..bea727904287 100644
--- a/include/asm-s390/lowcore.h
+++ b/include/asm-s390/lowcore.h
@@ -98,8 +98,8 @@
 #define __LC_KERNEL_ASCE                0xD58
 #define __LC_USER_ASCE                  0xD60
 #define __LC_PANIC_STACK                0xD68
-#define __LC_CPUID                      0xD90
-#define __LC_CPUADDR                    0xD98
+#define __LC_CPUID                      0xD80
+#define __LC_CPUADDR                    0xD88
 #define __LC_IPLDEV                     0xDB8
 #define __LC_JIFFY_TIMER                0xDC0
 #define __LC_CURRENT                    0xDD8
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index c44e7466534e..cd464f469a2c 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -689,6 +689,23 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *p
 #define pte_clear(mm,addr,ptep)         \
         set_pte_at((mm), (addr), (ptep), __pte(0UL))
 
+#ifdef DCACHE_ALIASING_POSSIBLE
+#define __HAVE_ARCH_MOVE_PTE
+#define move_pte(pte, prot, old_addr, new_addr)                         \
+({                                                                      \
+        pte_t newpte = (pte);                                           \
+        if (tlb_type != hypervisor && pte_present(pte)) {               \
+                unsigned long this_pfn = pte_pfn(pte);                  \
+                                                                        \
+                if (pfn_valid(this_pfn) &&                              \
+                    (((old_addr) ^ (new_addr)) & (1 << 13)))            \
+                        flush_dcache_page_all(current->mm,              \
+                                              pfn_to_page(this_pfn));   \
+        }                                                               \
+        newpte;                                                         \
+})
+#endif
+
 extern pgd_t swapper_pg_dir[2048];
 extern pmd_t swapper_low_pmd_dir[2048];
 
diff --git a/include/asm-um/irqflags.h b/include/asm-um/irqflags.h
new file mode 100644
index 000000000000..659b9abdfdba
--- /dev/null
+++ b/include/asm-um/irqflags.h
@@ -0,0 +1,6 @@
+#ifndef __UM_IRQFLAGS_H
+#define __UM_IRQFLAGS_H
+
+/* Empty for now */
+
+#endif
diff --git a/include/asm-um/uaccess.h b/include/asm-um/uaccess.h
index bea5a015f667..16c734af9193 100644
--- a/include/asm-um/uaccess.h
+++ b/include/asm-um/uaccess.h
@@ -41,11 +41,11 @@
 
 #define __get_user(x, ptr) \
 ({ \
-        const __typeof__(ptr) __private_ptr = ptr;      \
+        const __typeof__(*(ptr)) __user *__private_ptr = (ptr); \
         __typeof__(x) __private_val;                    \
         int __private_ret = -EFAULT;                    \
         (x) = (__typeof__(*(__private_ptr)))0;                          \
-        if (__copy_from_user((void *) &__private_val, (__private_ptr),  \
+        if (__copy_from_user((__force void *)&__private_val, (__private_ptr),\
                              sizeof(*(__private_ptr))) == 0) {          \
                 (x) = (__typeof__(*(__private_ptr))) __private_val;     \
                 __private_ret = 0;                                      \
@@ -62,7 +62,7 @@
 
 #define __put_user(x, ptr) \
 ({ \
-        __typeof__(ptr) __private_ptr = ptr; \
+        __typeof__(*(ptr)) __user *__private_ptr = ptr; \
         __typeof__(*(__private_ptr)) __private_val; \
         int __private_ret = -EFAULT; \
         __private_val = (__typeof__(*(__private_ptr))) (x); \
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index ad133fcfb239..1713ace808bf 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -21,7 +21,7 @@ typedef void (elevator_put_req_fn) (request_queue_t *, struct request *);
 typedef void (elevator_activate_req_fn) (request_queue_t *, struct request *);
 typedef void (elevator_deactivate_req_fn) (request_queue_t *, struct request *);
 
-typedef int (elevator_init_fn) (request_queue_t *, elevator_t *);
+typedef void *(elevator_init_fn) (request_queue_t *, elevator_t *);
 typedef void (elevator_exit_fn) (elevator_t *);
 
 struct elevator_ops
diff --git a/include/linux/i2o.h b/include/linux/i2o.h
index dd7d627bf66f..c115e9e840b4 100644
--- a/include/linux/i2o.h
+++ b/include/linux/i2o.h
@@ -1114,8 +1114,11 @@ static inline struct i2o_message *i2o_msg_get(struct i2o_controller *c)
 
         mmsg->mfa = readl(c->in_port);
         if (unlikely(mmsg->mfa >= c->in_queue.len)) {
+                u32 mfa = mmsg->mfa;
+
                 mempool_free(mmsg, c->in_msg.mempool);
-                if(mmsg->mfa == I2O_QUEUE_EMPTY)
+
+                if (mfa == I2O_QUEUE_EMPTY)
                         return ERR_PTR(-EBUSY);
                 return ERR_PTR(-EFAULT);
         }
diff --git a/include/linux/m48t86.h b/include/linux/m48t86.h
index 9065199319d0..915d6b4f0f89 100644
--- a/include/linux/m48t86.h
+++ b/include/linux/m48t86.h
@@ -11,6 +11,6 @@
 
 struct m48t86_ops
 {
-        void (*writeb)(unsigned char value, unsigned long addr);
-        unsigned char (*readb)(unsigned long addr);
+        void (*writebyte)(unsigned char value, unsigned long addr);
+        unsigned char (*readbyte)(unsigned long addr);
 };
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 6a7621b2b12b..f5fdca1d67e6 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -36,6 +36,7 @@
 #include <linux/nodemask.h>
 
 struct vm_area_struct;
+struct mm_struct;
 
 #ifdef CONFIG_NUMA
 
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 36740354d4db..2d8337150493 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -15,6 +15,7 @@
 #include <linux/seqlock.h>
 #include <linux/nodemask.h>
 #include <asm/atomic.h>
+#include <asm/page.h>
 
 /* Free memory management - zoned buddy allocator.  */
 #ifndef CONFIG_FORCE_MAX_ZONEORDER
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 4877e35ae202..936ef82ed76a 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -50,7 +50,7 @@
 extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags);
 extern acpi_status pci_osc_support_set(u32 flags);
 #else
-#if !defined(acpi_status)
+#if !defined(AE_ERROR)
 typedef u32             acpi_status;
 #define AE_ERROR        (acpi_status) (0x0001)
 #endif