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| author | Ingo Molnar <mingo@kernel.org> | 2016-02-17 10:37:36 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-17 10:37:36 +0100 |
| commit | 9109dc97b0155e500cdf3bcd91507bc24defefc1 (patch) | |
| tree | 5d721cbfeb3576dc6969093ab04f17666737b6a4 /mm/hugetlb.c | |
| parent | 27f6d22b037b2be6685e0e27cce929779d634119 (diff) | |
| parent | 059fcd8cd16622da6513804a7a3e826d152c6c96 (diff) | |
Merge branch 'perf/urgent' into perf/core, to queue up dependent patch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 12908dcf58316..06ae13e869d0f 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); } /* |