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mm: cma: fix accounting of CMA pages placed in high memory

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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.

Change-Id: I10b78fa6a710828520a487b2fc2419b4f7521a6f
CRs-Fixed: 480377
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>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Git-commit: 41a7973447b0b8717f0a214d4328dc31ec2291d7
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
This commit is contained in:
Marek Szyprowski
2013-04-30 13:45:08 -07:00
committed by Laura Abbott
parent 800f2b20ed
commit 178a68efb0
1 changed files with 4 additions and 0 deletions
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mm/page_alloc.c
+4
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@@ -785,6 +785,10 @@ 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