diff options
Diffstat (limited to 'mm/madvise.c')
| -rw-r--r-- | mm/madvise.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index 951038a9f36f..8433ac9b27e0 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -851,7 +851,8 @@ static int madvise_free_single_vma(struct madvise_behavior *madv_behavior, * An interface that causes the system to free clean pages and flush * dirty pages is already available as msync(MS_INVALIDATE). */ -static long madvise_dontneed_single_vma(struct vm_area_struct *vma, +static long madvise_dontneed_single_vma(struct madvise_behavior *madv_behavior, + struct vm_area_struct *vma, unsigned long start, unsigned long end) { struct zap_details details = { @@ -859,7 +860,8 @@ static long madvise_dontneed_single_vma(struct vm_area_struct *vma, .even_cows = true, }; - zap_page_range_single(vma, start, end - start, &details); + zap_page_range_single_batched( + madv_behavior->tlb, vma, start, end - start, &details); return 0; } @@ -950,7 +952,8 @@ static long madvise_dontneed_free(struct vm_area_struct *vma, } if (behavior == MADV_DONTNEED || behavior == MADV_DONTNEED_LOCKED) - return madvise_dontneed_single_vma(vma, start, end); + return madvise_dontneed_single_vma( + madv_behavior, vma, start, end); else if (behavior == MADV_FREE) return madvise_free_single_vma(madv_behavior, vma, start, end); else @@ -1628,6 +1631,8 @@ static void madvise_unlock(struct mm_struct *mm, int behavior) static bool madvise_batch_tlb_flush(int behavior) { switch (behavior) { + case MADV_DONTNEED: + case MADV_DONTNEED_LOCKED: case MADV_FREE: return true; default: |