try_to_munlock() searches other mlocked vmas, it never unmaps pages. There is no reason for invalidation because ptes are left unchanged. Signed-off-by: Konstantin Khlebnikov <koct9i@xxxxxxxxx> --- mm/rmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/rmap.c b/mm/rmap.c index 9c3e773..75d9d5c 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1225,7 +1225,7 @@ int try_to_unmap_one(struct page *page, struct vm_area_struct *vma, out_unmap: pte_unmap_unlock(pte, ptl); - if (ret != SWAP_FAIL) + if (ret != SWAP_FAIL && TTU_ACTION(flags) != TTU_MUNLOCK) mmu_notifier_invalidate_page(mm, address); out: return ret; -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>