The patch titled
Subject: mm/page_alloc.c: fix a misleading comment
has been added to the -mm tree. Its filename is
mm-page_alloc-fix-a-terrible-misleading-comment.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-page_alloc-fix-a-terrible-misleading-comment.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-page_alloc-fix-a-terrible-misleading-comment.patch
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------------------------------------------------------
From: Yaowei Bai <bywxiaobai@xxxxxxx>
Subject: mm/page_alloc.c: fix a misleading comment
The comment says that the per-cpu batchsize and zone watermarks are
determined by present_pages which is definitely wrong, they are both
calculated from managed_pages. Fix it.
Signed-off-by: Yaowei Bai <bywxiaobai@xxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/page_alloc.c~mm-page_alloc-fix-a-terrible-misleading-comment mm/page_alloc.c
--- a/mm/page_alloc.c~mm-page_alloc-fix-a-terrible-misleading-comment
+++ a/mm/page_alloc.c
@@ -6022,7 +6022,7 @@ void __init mem_init_print_info(const ch
* set_dma_reserve - set the specified number of pages reserved in the first zone
* @new_dma_reserve: The number of pages to mark reserved
*
- * The per-cpu batchsize and zone watermarks are determined by present_pages.
+ * The per-cpu batchsize and zone watermarks are determined by managed_pages.
* In the DMA zone, a significant percentage may be consumed by kernel image
* and other unfreeable allocations which can skew the watermarks badly. This
* function may optionally be used to account for unfreeable pages in the
_
Patches currently in -mm which might be from bywxiaobai@xxxxxxx are
mm-page_alloc-fix-a-terrible-misleading-comment.patch
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