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authorLinus Torvalds <torvalds@linux-foundation.org>2014-01-21 19:05:45 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-21 19:05:45 -0800
commitdf32e43a54d04eda35d2859beaf90e3864d53288 (patch)
tree7a61cf658b2949bd426285eb9902be7758ced1ba /mm/internal.h
parentfbd918a2026d0464ce9c23f57b7de4bcfccdc2e6 (diff)
parent78d5506e82b21a1a1de68c24182db2c2fe521422 (diff)
downloadlinux-df32e43a54d04eda35d2859beaf90e3864d53288.tar.bz2
Merge branch 'akpm' (incoming from Andrew)
Merge first patch-bomb from Andrew Morton: - a couple of misc things - inotify/fsnotify work from Jan - ocfs2 updates (partial) - about half of MM * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (117 commits) mm/migrate: remove unused function, fail_migrate_page() mm/migrate: remove putback_lru_pages, fix comment on putback_movable_pages mm/migrate: correct failure handling if !hugepage_migration_support() mm/migrate: add comment about permanent failure path mm, page_alloc: warn for non-blockable __GFP_NOFAIL allocation failure mm: compaction: reset scanner positions immediately when they meet mm: compaction: do not mark unmovable pageblocks as skipped in async compaction mm: compaction: detect when scanners meet in isolate_freepages mm: compaction: reset cached scanner pfn's before reading them mm: compaction: encapsulate defer reset logic mm: compaction: trace compaction begin and end memcg, oom: lock mem_cgroup_print_oom_info sched: add tracepoints related to NUMA task migration mm: numa: do not automatically migrate KSM pages mm: numa: trace tasks that fail migration due to rate limiting mm: numa: limit scope of lock for NUMA migrate rate limiting mm: numa: make NUMA-migrate related functions static lib/show_mem.c: show num_poisoned_pages when oom mm/hwpoison: add '#' to hwpoison_inject mm/memblock: use WARN_ONCE when MAX_NUMNODES passed as input parameter ...
Diffstat (limited to 'mm/internal.h')
-rw-r--r--mm/internal.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 684f7aa9692a..a346ba120e42 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -47,11 +47,9 @@ static inline void __get_page_tail_foll(struct page *page,
* page_cache_get_speculative()) on tail pages.
*/
VM_BUG_ON(atomic_read(&page->first_page->_count) <= 0);
- VM_BUG_ON(atomic_read(&page->_count) != 0);
- VM_BUG_ON(page_mapcount(page) < 0);
if (get_page_head)
atomic_inc(&page->first_page->_count);
- atomic_inc(&page->_mapcount);
+ get_huge_page_tail(page);
}
/*