diff options
| author | Yaowei Bai <baiyaowei@cmss.chinamobile.com> | 2016-01-14 15:19:00 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-14 16:00:49 -0800 |
| commit | c00eb15a8914b8ba84032a36044a5aaf7f71709d (patch) | |
| tree | df9fd900dac20444f5e5b6780dba9b95a1bc7515 /include/linux/gfp.h | |
| parent | 06640290bfc6688062387f915c5df094e9872133 (diff) | |
| download | lwn-c00eb15a8914b8ba84032a36044a5aaf7f71709d.tar.gz lwn-c00eb15a8914b8ba84032a36044a5aaf7f71709d.zip | |
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 <baiyaowei@cmss.chinamobile.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/gfp.h')
| -rw-r--r-- | include/linux/gfp.h | 9 |
1 files changed, 5 insertions, 4 deletions
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; } /* |