From c00eb15a8914b8ba84032a36044a5aaf7f71709d Mon Sep 17 00:00:00 2001 From: Yaowei Bai Date: Thu, 14 Jan 2016 15:19:00 -0800 Subject: mm/zonelist: enumerate zonelists array index Hardcoding index to zonelists array in gfp_zonelist() is not a good idea, let's enumerate it to improve readability. No functional change. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: fix CONFIG_NUMA=n build] [n-horiguchi@ah.jp.nec.com: fix warning in comparing enumerator] Signed-off-by: Yaowei Bai Cc: Michal Hocko Cc: David Rientjes Signed-off-by: Naoya Horiguchi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/gfp.h | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'include/linux/gfp.h') diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 1dd59abe541d..91f74e741aa2 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -384,10 +384,11 @@ static inline enum zone_type gfp_zone(gfp_t flags) static inline int gfp_zonelist(gfp_t flags) { - if (IS_ENABLED(CONFIG_NUMA) && unlikely(flags & __GFP_THISNODE)) - return 1; - - return 0; +#ifdef CONFIG_NUMA + if (unlikely(flags & __GFP_THISNODE)) + return ZONELIST_NOFALLBACK; +#endif + return ZONELIST_FALLBACK; } /* -- cgit