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| author |   Takashi Iwai <tiwai@suse.de> | 2016-02-09 23:08:37 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-02-09 23:08:37 +0100 |
| commit | 397da2d0ab0d1398242622d80a74df7245395c63 (patch) | |
| tree | 51e01a67c653c67108f65d063b8b9cbfacf0b1a7 /mm/hugetlb.c | |
| parent | ALSA: firewire-digi00x: Drop bogus const type qualifier on dot_scrt() (diff) | |
| parent | ALSA: timer: Fix race at concurrent reads (diff) | |
| download | linux-dev-397da2d0ab0d1398242622d80a74df7245395c63.tar.xz linux-dev-397da2d0ab0d1398242622d80a74df7245395c63.zip | |
Merge branch 'topic/core-fixes' into for-linus
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 12908dcf5831..06ae13e869d0 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1001,7 +1001,7 @@ static int hstate_next_node_to_free(struct hstate *h, nodemask_t *nodes_allowed) ((node = hstate_next_node_to_free(hs, mask)) || 1); \ nr_nodes--) -#if defined(CONFIG_CMA) && defined(CONFIG_X86_64) +#if defined(CONFIG_X86_64) && ((defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA)) static void destroy_compound_gigantic_page(struct page *page, unsigned int order) { @@ -1214,8 +1214,8 @@ void free_huge_page(struct page *page) set_page_private(page, 0); page->mapping = NULL; - BUG_ON(page_count(page)); - BUG_ON(page_mapcount(page)); + VM_BUG_ON_PAGE(page_count(page), page); + VM_BUG_ON_PAGE(page_mapcount(page), page); restore_reserve = PagePrivate(page); ClearPagePrivate(page); @@ -1286,6 +1286,7 @@ static void prep_compound_gigantic_page(struct page *page, unsigned int order) set_page_count(p, 0); set_compound_head(p, page); } + atomic_set(compound_mapcount_ptr(page), -1); } /* |