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Date: Sat, 22 Aug 2015 15:40:10 +0800 From: Yaowei Bai <bywxiaobai@....com> To: akpm@...ux-foundation.org, mgorman@...e.de, vbabka@...e.cz, mhocko@...e.com, js1304@...il.com, hannes@...xchg.org, alexander.h.duyck@...hat.com, sasha.levin@...cle.com Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: [PATCH 1/3] mm/page_alloc: fix a terrible 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@....com> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5b5240b..c22b133 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6003,7 +6003,7 @@ void __init mem_init_print_info(const char *str) * 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 -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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