Merge tag 'balancenuma-v11' of git://git.kernel.org/pub/scm/linux/kernel/git/mel...

[~andy/linux] / include / linux / huge_mm.h

diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 0d1208c0bdc40b8c717fe1ec5901eedd4fe2dc2a..1d76f8ca90f014d6bef14006f820166e33f3e9f7 100644 (file)
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -8,6 +8,10 @@ extern int do_huge_pmd_anonymous_page(struct mm_struct *mm,
 extern int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm,
                         pmd_t *dst_pmd, pmd_t *src_pmd, unsigned long addr,
                         struct vm_area_struct *vma);
+extern void huge_pmd_set_accessed(struct mm_struct *mm,
+                                 struct vm_area_struct *vma,
+                                 unsigned long address, pmd_t *pmd,
+                                 pmd_t orig_pmd, int dirty);
 extern int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
                               unsigned long address, pmd_t *pmd,
                               pmd_t orig_pmd);
@@ -36,6 +40,7 @@ enum transparent_hugepage_flag {
        TRANSPARENT_HUGEPAGE_DEFRAG_FLAG,
        TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG,
        TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG,
+       TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG,
 #ifdef CONFIG_DEBUG_VM
        TRANSPARENT_HUGEPAGE_DEBUG_COW_FLAG,
 #endif
@@ -75,6 +80,9 @@ extern bool is_vma_temporary_stack(struct vm_area_struct *vma);
         (transparent_hugepage_flags &                                  \
          (1<<TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG) &&             \
          (__vma)->vm_flags & VM_HUGEPAGE))
+#define transparent_hugepage_use_zero_page()                           \
+       (transparent_hugepage_flags &                                   \
+        (1<<TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG))
 #ifdef CONFIG_DEBUG_VM
 #define transparent_hugepage_debug_cow()                               \
        (transparent_hugepage_flags &                                   \
@@ -92,12 +100,14 @@ extern int handle_pte_fault(struct mm_struct *mm,
                            struct vm_area_struct *vma, unsigned long address,
                            pte_t *pte, pmd_t *pmd, unsigned int flags);
 extern int split_huge_page(struct page *page);
-extern void __split_huge_page_pmd(struct mm_struct *mm, pmd_t *pmd);
-#define split_huge_page_pmd(__mm, __pmd)                               \
+extern void __split_huge_page_pmd(struct vm_area_struct *vma,
+               unsigned long address, pmd_t *pmd);
+#define split_huge_page_pmd(__vma, __address, __pmd)                   \
        do {                                                            \
                pmd_t *____pmd = (__pmd);                               \
                if (unlikely(pmd_trans_huge(*____pmd)))                 \
-                       __split_huge_page_pmd(__mm, ____pmd);           \
+                       __split_huge_page_pmd(__vma, __address,         \
+                                       ____pmd);                       \
        }  while (0)
 #define wait_split_huge_page(__anon_vma, __pmd)                                \
        do {                                                            \
@@ -107,6 +117,8 @@ extern void __split_huge_page_pmd(struct mm_struct *mm, pmd_t *pmd);
                BUG_ON(pmd_trans_splitting(*____pmd) ||                 \
                       pmd_trans_huge(*____pmd));                       \
        } while (0)
+extern void split_huge_page_pmd_mm(struct mm_struct *mm, unsigned long address,
+               pmd_t *pmd);
 #if HPAGE_PMD_ORDER > MAX_ORDER
 #error "hugepages can't be allocated by the buddy allocator"
 #endif
@@ -178,10 +190,12 @@ static inline int split_huge_page(struct page *page)
 {
        return 0;
 }
-#define split_huge_page_pmd(__mm, __pmd)       \
+#define split_huge_page_pmd(__vma, __address, __pmd)   \
        do { } while (0)
 #define wait_split_huge_page(__anon_vma, __pmd)        \
        do { } while (0)
+#define split_huge_page_pmd_mm(__mm, __address, __pmd) \
+       do { } while (0)
 #define compound_trans_head(page) compound_head(page)
 static inline int hugepage_madvise(struct vm_area_struct *vma,
                                   unsigned long *vm_flags, int advice)