Commit 8edf344c66a3f214d709dad1421c29d678915b3f
Committed by
Andi Kleen
1 parent
9fe6206f40
Exists in
master
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20 other branches
hugetlb: move definition of is_vm_hugetlb_page() to hugepage_inline.h
is_vm_hugetlb_page() is a widely used inline function to insert hooks into hugetlb code. But we can't use it in pagemap.h because of circular dependency of the header files. This patch removes this limitation. Acked-by: Mel Gorman <mel@csn.ul.ie> Acked-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>
Showing 3 changed files with 24 additions and 10 deletions Side-by-side Diff
include/linux/hugetlb.h
... | ... | @@ -2,6 +2,7 @@ |
2 | 2 | #define _LINUX_HUGETLB_H |
3 | 3 | |
4 | 4 | #include <linux/fs.h> |
5 | +#include <linux/hugetlb_inline.h> | |
5 | 6 | |
6 | 7 | struct ctl_table; |
7 | 8 | struct user_struct; |
... | ... | @@ -14,11 +15,6 @@ |
14 | 15 | |
15 | 16 | int PageHuge(struct page *page); |
16 | 17 | |
17 | -static inline int is_vm_hugetlb_page(struct vm_area_struct *vma) | |
18 | -{ | |
19 | - return vma->vm_flags & VM_HUGETLB; | |
20 | -} | |
21 | - | |
22 | 18 | void reset_vma_resv_huge_pages(struct vm_area_struct *vma); |
23 | 19 | int hugetlb_sysctl_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); |
24 | 20 | int hugetlb_overcommit_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); |
... | ... | @@ -73,11 +69,6 @@ |
73 | 69 | #else /* !CONFIG_HUGETLB_PAGE */ |
74 | 70 | |
75 | 71 | static inline int PageHuge(struct page *page) |
76 | -{ | |
77 | - return 0; | |
78 | -} | |
79 | - | |
80 | -static inline int is_vm_hugetlb_page(struct vm_area_struct *vma) | |
81 | 72 | { |
82 | 73 | return 0; |
83 | 74 | } |
include/linux/hugetlb_inline.h
1 | +#ifndef _LINUX_HUGETLB_INLINE_H | |
2 | +#define _LINUX_HUGETLB_INLINE_H 1 | |
3 | + | |
4 | +#ifdef CONFIG_HUGETLBFS | |
5 | + | |
6 | +#include <linux/mm.h> | |
7 | + | |
8 | +static inline int is_vm_hugetlb_page(struct vm_area_struct *vma) | |
9 | +{ | |
10 | + return vma->vm_flags & VM_HUGETLB; | |
11 | +} | |
12 | + | |
13 | +#else | |
14 | + | |
15 | +static inline int is_vm_hugetlb_page(struct vm_area_struct *vma) | |
16 | +{ | |
17 | + return 0; | |
18 | +} | |
19 | + | |
20 | +#endif | |
21 | + | |
22 | +#endif |
include/linux/pagemap.h