diff options
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c index 1a435b81876..f47ffe97101 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2648,8 +2648,9 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, entry = maybe_mkwrite(pte_mkdirty(entry), vma); page_table = pte_offset_map_lock(mm, pmd, address, &ptl); - if (!pte_none(*page_table)) + if (!pte_none(*page_table) || ksm_test_exit(mm)) goto release; + inc_mm_counter(mm, anon_rss); page_add_new_anon_rmap(page, vma, address); set_pte_at(mm, address, page_table, entry); @@ -2791,7 +2792,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma, * handle that later. */ /* Only go through if we didn't race with anybody else... */ - if (likely(pte_same(*page_table, orig_pte))) { + if (likely(pte_same(*page_table, orig_pte) && !ksm_test_exit(mm))) { flush_icache_page(vma, page); entry = mk_pte(page, vma->vm_page_prot); if (flags & FAULT_FLAG_WRITE) |