diff options
| author | Laura Abbott <lauraa@codeaurora.org> | 2012-11-27 10:17:24 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 11:03:37 -0700 |
| commit | e48a20a27c9c052bd4d13797d4789b674a388cef (patch) | |
| tree | fcaa39e7ece0d1703bacbd56020aed9e4f6c1f54 /mm/page_alloc.c | |
| parent | 8918861861bc650f17d110b2e721bc6b8d406e08 (diff) | |
mm: Add is_cma_pageblock definition
Bring back the is_cma_pageblock definition for determining if a
page is CMA or not.
Change-Id: I39fd546e22e240b752244832c79514f109c8e84b
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 0b9e7c1513bf..5f948b46451e 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1265,6 +1265,11 @@ void __init page_alloc_init_late(void) #endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */ #ifdef CONFIG_CMA +bool is_cma_pageblock(struct page *page) +{ + return get_pageblock_migratetype(page) == MIGRATE_CMA; +} + /* Free whole pageblock and set its migration type to MIGRATE_CMA. */ void __init init_cma_reserved_pageblock(struct page *page) { |