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Date: Mon, 16 Nov 2015 14:51:23 +0800 From: Yaowei Bai <baiyaowei@...s.chinamobile.com> To: akpm@...ux-foundation.org Cc: bhe@...hat.com, dan.j.williams@...el.com, dave.hansen@...ux.intel.com, dave@...olabs.net, dhowells@...hat.com, dingel@...ux.vnet.ibm.com, hannes@...xchg.org, hillf.zj@...baba-inc.com, holt@....com, iamjoonsoo.kim@....com, joe@...ches.com, kuleshovmail@...il.com, mgorman@...e.de, mhocko@...e.cz, mike.kravetz@...cle.com, n-horiguchi@...jp.nec.com, penberg@...nel.org, rientjes@...gle.com, sasha.levin@...cle.com, tj@...nel.org, tony.luck@...el.com, vbabka@...e.cz, vdavydov@...allels.com, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: [PATCH 4/7] mm/vmscan: page_is_file_cache can be boolean This patch makes page_is_file_cache return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <baiyaowei@...s.chinamobile.com> --- include/linux/mm_inline.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index cf55945..af73135 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h @@ -8,8 +8,8 @@ * page_is_file_cache - should the page be on a file LRU or anon LRU? * @page: the page to test * - * Returns 1 if @page is page cache page backed by a regular filesystem, - * or 0 if @page is anonymous, tmpfs or otherwise ram or swap backed. + * Returns true if @page is page cache page backed by a regular filesystem, + * or false if @page is anonymous, tmpfs or otherwise ram or swap backed. * Used by functions that manipulate the LRU lists, to sort a page * onto the right LRU list. * @@ -17,7 +17,7 @@ * needs to survive until the page is last deleted from the LRU, which * could be as far down as __page_cache_release. */ -static inline int page_is_file_cache(struct page *page) +static inline bool page_is_file_cache(struct page *page) { return !PageSwapBacked(page); } -- 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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