diff options
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index ce6d9d765aae..27b34f7730e7 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -657,6 +657,16 @@ static inline void vm_flags_clear(struct vm_area_struct *vma, } /* + * Use only if VMA is not part of the VMA tree or has no other users and + * therefore needs no locking. + */ +static inline void __vm_flags_mod(struct vm_area_struct *vma, + vm_flags_t set, vm_flags_t clear) +{ + vm_flags_init(vma, (vma->vm_flags | set) & ~clear); +} + +/* * Use only when the order of set/clear operations is unimportant, otherwise * use vm_flags_{set|clear} explicitly. */ @@ -664,7 +674,7 @@ static inline void vm_flags_mod(struct vm_area_struct *vma, vm_flags_t set, vm_flags_t clear) { mmap_assert_write_locked(vma->vm_mm); - vm_flags_init(vma, (vma->vm_flags | set) & ~clear); + __vm_flags_mod(vma, set, clear); } static inline void vma_set_anonymous(struct vm_area_struct *vma) @@ -2085,7 +2095,7 @@ static inline void zap_vma_pages(struct vm_area_struct *vma) } void unmap_vmas(struct mmu_gather *tlb, struct maple_tree *mt, struct vm_area_struct *start_vma, unsigned long start, - unsigned long end); + unsigned long end, bool mm_wr_locked); struct mmu_notifier_range; |