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authorDavid Rientjes <rientjes@google.com>2012-12-11 16:02:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-11 17:22:27 -0800
commita9c58b907dbc6821533dfc295b63caf111ff1f16 (patch)
treee50714c48de89400a02a8e92ef4e240c5206bbcc /include/linux/oom.h
parentfa264375175a382621c5344a6508e02ec4d1c3c0 (diff)
downloadop-kernel-dev-a9c58b907dbc6821533dfc295b63caf111ff1f16.zip
op-kernel-dev-a9c58b907dbc6821533dfc295b63caf111ff1f16.tar.gz
mm, oom: change type of oom_score_adj to short
The maximum oom_score_adj is 1000 and the minimum oom_score_adj is -1000, so this range can be represented by the signed short type with no functional change. The extra space this frees up in struct signal_struct will be used for per-thread oom kill flags in the next patch. Signed-off-by: David Rientjes <rientjes@google.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reviewed-by: Michal Hocko <mhocko@suse.cz> Cc: Anton Vorontsov <anton.vorontsov@linaro.org> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/oom.h')
-rw-r--r--include/linux/oom.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 4a4188d..922dab1 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -29,8 +29,8 @@ enum oom_scan_t {
OOM_SCAN_SELECT, /* always select this thread first */
};
-extern void compare_swap_oom_score_adj(int old_val, int new_val);
-extern int test_set_oom_score_adj(int new_val);
+extern void compare_swap_oom_score_adj(short old_val, short new_val);
+extern short test_set_oom_score_adj(short new_val);
extern unsigned long oom_badness(struct task_struct *p,
struct mem_cgroup *memcg, const nodemask_t *nodemask,
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