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authorMarek Szyprowski <m.szyprowski@samsung.com>2013-02-12 13:46:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-12 14:34:00 -0800
commit41a7973447b0b8717f0a214d4328dc31ec2291d7 (patch)
tree5a6f61b306ed429cad999a59852f5b8e993454af
parent6e6668845fe593414a938b7726d6359b5570ac5a (diff)
mm: cma: fix accounting of CMA pages placed in high memory
The total number of low memory pages is determined as totalram_pages - totalhigh_pages, so without this patch all CMA pageblocks placed in highmem were accounted to low memory. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Minchan Kim <minchan.kim@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/page_alloc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index df2022f..9673d96 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -773,6 +773,10 @@ void __init init_cma_reserved_pageblock(struct page *page)
set_pageblock_migratetype(page, MIGRATE_CMA);
__free_pages(page, pageblock_order);
totalram_pages += pageblock_nr_pages;
+#ifdef CONFIG_HIGHMEM
+ if (PageHighMem(page))
+ totalhigh_pages += pageblock_nr_pages;
+#endif
}
#endif