diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmu_notifier.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index e630def131ce..c8672c366f67 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -25,11 +25,13 @@ struct mmu_notifier_mm { spinlock_t lock; }; +#define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0) + struct mmu_notifier_range { struct mm_struct *mm; unsigned long start; unsigned long end; - bool blockable; + unsigned flags; }; struct mmu_notifier_ops { @@ -229,7 +231,7 @@ extern void __mmu_notifier_invalidate_range(struct mm_struct *mm, static inline bool mmu_notifier_range_blockable(const struct mmu_notifier_range *range) { - return range->blockable; + return (range->flags & MMU_NOTIFIER_RANGE_BLOCKABLE); } static inline void mmu_notifier_release(struct mm_struct *mm) @@ -275,7 +277,7 @@ static inline void mmu_notifier_invalidate_range_start(struct mmu_notifier_range *range) { if (mm_has_notifiers(range->mm)) { - range->blockable = true; + range->flags |= MMU_NOTIFIER_RANGE_BLOCKABLE; __mmu_notifier_invalidate_range_start(range); } } @@ -284,7 +286,7 @@ static inline int mmu_notifier_invalidate_range_start_nonblock(struct mmu_notifier_range *range) { if (mm_has_notifiers(range->mm)) { - range->blockable = false; + range->flags &= ~MMU_NOTIFIER_RANGE_BLOCKABLE; return __mmu_notifier_invalidate_range_start(range); } return 0; @@ -331,6 +333,7 @@ static inline void mmu_notifier_range_init(struct mmu_notifier_range *range, range->mm = mm; range->start = start; range->end = end; + range->flags = 0; } #define ptep_clear_flush_young_notify(__vma, __address, __ptep) \ |