1 files changed, 15 insertions, 10 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index c31a9cd2a30e..2128ef7780c6 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -108,6 +108,7 @@ extern unsigned int kobjsize(const void *objp);
 
 #define VM_CAN_NONLINEAR 0x08000000     /* Has ->fault & does nonlinear pages */
 #define VM_MIXEDMAP     0x10000000      /* Can contain "struct page" and pure PFN pages */
+#define VM_SAO          0x20000000      /* Strong Access Ordering (powerpc) */
 
 #ifndef VM_STACK_DEFAULT_FLAGS          /* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
@@ -760,16 +761,17 @@ unsigned long unmap_vmas(struct mmu_gather **tlb,
  * (see walk_page_range for more details)
  */
 struct mm_walk {
-        int (*pgd_entry)(pgd_t *, unsigned long, unsigned long, void *);
-        int (*pud_entry)(pud_t *, unsigned long, unsigned long, void *);
-        int (*pmd_entry)(pmd_t *, unsigned long, unsigned long, void *);
-        int (*pte_entry)(pte_t *, unsigned long, unsigned long, void *);
-        int (*pte_hole)(unsigned long, unsigned long, void *);
+        int (*pgd_entry)(pgd_t *, unsigned long, unsigned long, struct mm_walk *);
+        int (*pud_entry)(pud_t *, unsigned long, unsigned long, struct mm_walk *);
+        int (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *);
+        int (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *);
+        int (*pte_hole)(unsigned long, unsigned long, struct mm_walk *);
+        struct mm_struct *mm;
+        void *private;
 };
 
-int walk_page_range(const struct mm_struct *, unsigned long addr,
-                    unsigned long end, const struct mm_walk *walk,
-                    void *private);
+int walk_page_range(unsigned long addr, unsigned long end,
+                struct mm_walk *walk);
 void free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
                 unsigned long end, unsigned long floor, unsigned long ceiling);
 void free_pgtables(struct mmu_gather **tlb, struct vm_area_struct *start_vma,
@@ -997,8 +999,8 @@ extern void free_area_init_node(int nid, pg_data_t *pgdat,
 extern void free_area_init_nodes(unsigned long *max_zone_pfn);
 extern void add_active_range(unsigned int nid, unsigned long start_pfn,
                                         unsigned long end_pfn);
-extern void shrink_active_range(unsigned int nid, unsigned long old_end_pfn,
-                                                unsigned long new_end_pfn);
+extern void remove_active_range(unsigned int nid, unsigned long start_pfn,
+                                        unsigned long end_pfn);
 extern void push_node_boundaries(unsigned int nid, unsigned long start_pfn,
                                         unsigned long end_pfn);
 extern void remove_all_active_ranges(void);
@@ -1010,6 +1012,8 @@ extern unsigned long find_min_pfn_with_active_regions(void);
 extern unsigned long find_max_pfn_with_active_regions(void);
 extern void free_bootmem_with_active_regions(int nid,
                                                 unsigned long max_low_pfn);
+typedef int (*work_fn_t)(unsigned long, unsigned long, void *);
+extern void work_with_active_regions(int nid, work_fn_t work_fn, void *data);
 extern void sparse_memory_present_with_active_regions(int nid);
 #ifndef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
 extern int early_pfn_to_nid(unsigned long pfn);
@@ -1023,6 +1027,7 @@ extern void mem_init(void);
 extern void show_mem(void);
 extern void si_meminfo(struct sysinfo * val);
 extern void si_meminfo_node(struct sysinfo *val, int nid);
+extern int after_bootmem;
 
 #ifdef CONFIG_NUMA
 extern void setup_per_cpu_pageset(void);