diff options
| author | Mark Brown <broonie@linaro.org> | 2014-01-27 14:57:42 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-01-27 14:57:42 +0000 |
| commit | 0f3550b731084e2790caf1d73bfe0e3a454aafae (patch) | |
| tree | 96e387b7ae0da48c3ac13dd5ce922c983bc5debb /mm | |
| parent | b7e46105cae50b29ac0b08e2e3c04b5ca34bc2a5 (diff) | |
| parent | 51ad557e21b8713f3abc286c14bca4ed01b8e56d (diff) | |
Merge branch 'linux-linaro-lsk' into linux-linaro-lsk-androidlsk-android-14.01
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/huge_memory.c | 6 | ||||
| -rw-r--r-- | mm/memory-failure.c | 14 |
2 files changed, 13 insertions, 7 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 6bd22902d28..eb00e81601a 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1166,7 +1166,7 @@ alloc: if (unlikely(!new_page)) { count_vm_event(THP_FAULT_FALLBACK); - if (is_huge_zero_pmd(orig_pmd)) { + if (!page) { ret = do_huge_pmd_wp_zero_page_fallback(mm, vma, address, pmd, orig_pmd, haddr); } else { @@ -1190,7 +1190,7 @@ alloc: goto out; } - if (is_huge_zero_pmd(orig_pmd)) + if (!page) clear_huge_page(new_page, haddr, HPAGE_PMD_NR); else copy_user_huge_page(new_page, page, haddr, vma, HPAGE_PMD_NR); @@ -1215,7 +1215,7 @@ alloc: page_add_new_anon_rmap(new_page, vma, haddr); set_pmd_at(mm, haddr, pmd, entry); update_mmu_cache_pmd(vma, address, pmd); - if (is_huge_zero_pmd(orig_pmd)) { + if (!page) { add_mm_counter(mm, MM_ANONPAGES, HPAGE_PMD_NR); put_huge_zero_page(); } else { diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 6a7f9cab4dd..7e3601ce51c 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1499,10 +1499,16 @@ static int soft_offline_huge_page(struct page *page, int flags) pr_info("soft offline: %#lx: migration failed %d, type %lx\n", pfn, ret, page->flags); } else { - set_page_hwpoison_huge_page(hpage); - dequeue_hwpoisoned_huge_page(hpage); - atomic_long_add(1 << compound_trans_order(hpage), - &num_poisoned_pages); + /* overcommit hugetlb page will be freed to buddy */ + if (PageHuge(page)) { + set_page_hwpoison_huge_page(hpage); + dequeue_hwpoisoned_huge_page(hpage); + atomic_long_add(1 << compound_order(hpage), + &num_poisoned_pages); + } else { + SetPageHWPoison(page); + atomic_long_inc(&num_poisoned_pages); + } } /* keep elevated page count for bad page */ return ret; |