thp: reduce usage of huge zero page's atomic counter

[cascardo/linux.git] / include / linux / huge_mm.h

diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 4fca526..9b9f65d 100644 (file)
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -156,8 +156,8 @@ static inline bool is_huge_zero_pmd(pmd_t pmd)
        return is_huge_zero_page(pmd_page(pmd));
 }
 
-struct page *get_huge_zero_page(void);
-void put_huge_zero_page(void);
+struct page *mm_get_huge_zero_page(struct mm_struct *mm);
+void mm_put_huge_zero_page(struct mm_struct *mm);
 
 #define mk_huge_pmd(page, prot) pmd_mkhuge(mk_pmd(page, prot))
 
@@ -220,9 +220,9 @@ static inline bool is_huge_zero_page(struct page *page)
        return false;
 }
 
-static inline void put_huge_zero_page(void)
+static inline void mm_put_huge_zero_page(struct mm_struct *mm)
 {
-       BUILD_BUG();
+       return;
 }
 
 static inline struct page *follow_devmap_pmd(struct vm_area_struct *vma,