| Naoya Horiguchi | 8edf344 | 2010-05-28 09:29:15 +0900 | [diff] [blame] | 1 | #ifndef _LINUX_HUGETLB_INLINE_H |
| Naoya Horiguchi | e3390f6 | 2010-06-15 13:18:13 +0900 | [diff] [blame] | 2 | #define _LINUX_HUGETLB_INLINE_H |
| Naoya Horiguchi | 8edf344 | 2010-05-28 09:29:15 +0900 | [diff] [blame] | 3 | |
| Naoya Horiguchi | e3390f6 | 2010-06-15 13:18:13 +0900 | [diff] [blame] | 4 | #ifdef CONFIG_HUGETLB_PAGE |
| Naoya Horiguchi | 8edf344 | 2010-05-28 09:29:15 +0900 | [diff] [blame] | 5 | |
| 6 | #include <linux/mm.h> | ||||
| 7 | |||||
| Yaowei Bai | 32f6271 | 2016-05-19 17:11:23 -0700 | [diff] [blame] | 8 | static inline bool is_vm_hugetlb_page(struct vm_area_struct *vma) |
| Naoya Horiguchi | 8edf344 | 2010-05-28 09:29:15 +0900 | [diff] [blame] | 9 | { |
| Peter Zijlstra | 65f79de | 2018-04-17 16:33:24 +0200 | [diff] [blame] | 10 | return !!(READ_ONCE(vma->vm_flags) & VM_HUGETLB); |
| Naoya Horiguchi | 8edf344 | 2010-05-28 09:29:15 +0900 | [diff] [blame] | 11 | } |
| 12 | |||||
| 13 | #else | ||||
| 14 | |||||
| Yaowei Bai | 32f6271 | 2016-05-19 17:11:23 -0700 | [diff] [blame] | 15 | static inline bool is_vm_hugetlb_page(struct vm_area_struct *vma) |
| Naoya Horiguchi | 8edf344 | 2010-05-28 09:29:15 +0900 | [diff] [blame] | 16 | { |
| Yaowei Bai | 32f6271 | 2016-05-19 17:11:23 -0700 | [diff] [blame] | 17 | return false; |
| Naoya Horiguchi | 8edf344 | 2010-05-28 09:29:15 +0900 | [diff] [blame] | 18 | } |
| 19 | |||||
| 20 | #endif | ||||
| 21 | |||||
| 22 | #endif | ||||