mm: add get_dump_page

[net-next-2.6.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 9a72cc78e6b817d2b7c24b076eef7bd0061235f2..e41795bba95d2bb7e54d27332393c24785ad4e1f 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -25,6 +25,7 @@ extern unsigned long max_mapnr;
 #endif
 
 extern unsigned long num_physpages;
+extern unsigned long totalram_pages;
 extern void * high_memory;
 extern int page_cluster;
 
@@ -103,6 +104,7 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_MIXEDMAP    0x10000000      /* Can contain "struct page" and pure PFN pages */
 #define VM_SAO         0x20000000      /* Strong Access Ordering (powerpc) */
 #define VM_PFN_AT_MMAP 0x40000000      /* PFNMAP vma that is fully mapped at mmap time */
+#define VM_MERGEABLE   0x80000000      /* KSM may merge identical pages */
 
 #ifndef VM_STACK_DEFAULT_FLAGS         /* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
@@ -815,6 +817,7 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
                        struct page **pages, struct vm_area_struct **vmas);
 int get_user_pages_fast(unsigned long start, int nr_pages, int write,
                        struct page **pages);
+struct page *get_dump_page(unsigned long addr);
 
 extern int try_to_release_page(struct page * page, gfp_t gfp_mask);
 extern void do_invalidatepage(struct page *page, unsigned long offset);
@@ -1058,6 +1061,8 @@ extern void setup_per_cpu_pageset(void);
 static inline void setup_per_cpu_pageset(void) {}
 #endif
 
+extern void zone_pcp_update(struct zone *zone);
+
 /* nommu.c */
 extern atomic_long_t mmap_pages_allocated;