diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-03 17:55:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-03 17:55:59 -0700 |
| commit | dd23f273d9a765d7f092c1bb0d1cd7aaf668077e (patch) | |
| tree | 9bf826a9f553c9b0a5e852deaaf58bee56b601ac /mm/page_ext.c | |
| parent | 1684096b1ed813f621fb6cbd06e72235c1c2a0ca (diff) | |
| parent | b19385993623c1a18a686b6b271cd24d5aa96f52 (diff) | |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:
- a few misc things
- most of MM
- KASAN updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (102 commits)
kasan: separate report parts by empty lines
kasan: improve double-free report format
kasan: print page description after stacks
kasan: improve slab object description
kasan: change report header
kasan: simplify address description logic
kasan: change allocation and freeing stack traces headers
kasan: unify report headers
kasan: introduce helper functions for determining bug type
mm: hwpoison: call shake_page() after try_to_unmap() for mlocked page
mm: hwpoison: call shake_page() unconditionally
mm/swapfile.c: fix swap space leak in error path of swap_free_entries()
mm/gup.c: fix access_ok() argument type
mm/truncate: avoid pointless cleancache_invalidate_inode() calls.
mm/truncate: bail out early from invalidate_inode_pages2_range() if mapping is empty
fs/block_dev: always invalidate cleancache in invalidate_bdev()
fs: fix data invalidation in the cleancache during direct IO
zram: reduce load operation in page_same_filled
zram: use zram_free_page instead of open-coded
zram: introduce zram data accessor
...
Diffstat (limited to 'mm/page_ext.c')
| -rw-r--r-- | mm/page_ext.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/mm/page_ext.c b/mm/page_ext.c index 121dcffc4ec1..88ccc044b09a 100644 --- a/mm/page_ext.c +++ b/mm/page_ext.c @@ -59,9 +59,6 @@ static struct page_ext_operations *page_ext_ops[] = { &debug_guardpage_ops, -#ifdef CONFIG_PAGE_POISONING - &page_poisoning_ops, -#endif #ifdef CONFIG_PAGE_OWNER &page_owner_ops, #endif @@ -127,15 +124,12 @@ struct page_ext *lookup_page_ext(struct page *page) struct page_ext *base; base = NODE_DATA(page_to_nid(page))->node_page_ext; -#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PAGE_POISONING) +#if defined(CONFIG_DEBUG_VM) /* * The sanity checks the page allocator does upon freeing a * page can reach here before the page_ext arrays are * allocated when feeding a range of pages to the allocator * for the first time during bootup or memory hotplug. - * - * This check is also necessary for ensuring page poisoning - * works as expected when enabled */ if (unlikely(!base)) return NULL; @@ -204,15 +198,12 @@ struct page_ext *lookup_page_ext(struct page *page) { unsigned long pfn = page_to_pfn(page); struct mem_section *section = __pfn_to_section(pfn); -#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PAGE_POISONING) +#if defined(CONFIG_DEBUG_VM) /* * The sanity checks the page allocator does upon freeing a * page can reach here before the page_ext arrays are * allocated when feeding a range of pages to the allocator * for the first time during bootup or memory hotplug. - * - * This check is also necessary for ensuring page poisoning - * works as expected when enabled */ if (!section->page_ext) return NULL; |