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-rw-r--r--mm/internal.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 7aa2ea0a8623..8ab72f4374e0 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -43,6 +43,11 @@ int do_swap_page(struct vm_fault *vmf);
void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
unsigned long floor, unsigned long ceiling);
+static inline bool can_madv_dontneed_vma(struct vm_area_struct *vma)
+{
+ return !(vma->vm_flags & (VM_LOCKED|VM_HUGETLB|VM_PFNMAP));
+}
+
void unmap_page_range(struct mmu_gather *tlb,
struct vm_area_struct *vma,
unsigned long addr, unsigned long end,
@@ -133,9 +138,9 @@ struct alloc_context {
* Assumption: *_mem_map is contiguous at least up to MAX_ORDER
*/
static inline unsigned long
-__find_buddy_index(unsigned long page_idx, unsigned int order)
+__find_buddy_pfn(unsigned long page_pfn, unsigned int order)
{
- return page_idx ^ (1 << order);
+ return page_pfn ^ (1 << order);
}
extern struct page *__pageblock_pfn_to_page(unsigned long start_pfn,
@@ -175,6 +180,8 @@ struct compact_control {
struct list_head migratepages; /* List of pages being migrated */
unsigned long nr_freepages; /* Number of isolated free pages */
unsigned long nr_migratepages; /* Number of pages to migrate */
+ unsigned long total_migrate_scanned;
+ unsigned long total_free_scanned;
unsigned long free_pfn; /* isolate_freepages search base */
unsigned long migrate_pfn; /* isolate_migratepages search base */
unsigned long last_migrated_pfn;/* Not yet flushed page being freed */