From c7d4caeb1d68d07f77cc09fc20b7759d6d7aa3b1 Mon Sep 17 00:00:00 2001
From: David Rientjes <rientjes@google.com>
Date: Tue, 6 Jan 2009 14:39:00 -0800
Subject: [PATCH] oom: fix zone_scan_mutex name
zone_scan_mutex is actually a spinlock, so name it appropriately.
Signed-off-by: David Rientjes <rientjes@google.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/oom_kill.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index c592965dab2f..e5f50cfdca4d 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -31,7 +31,7 @@
int sysctl_panic_on_oom;
int sysctl_oom_kill_allocating_task;
int sysctl_oom_dump_tasks;
-static DEFINE_SPINLOCK(zone_scan_mutex);
+static DEFINE_SPINLOCK(zone_scan_lock);
/* #define DEBUG */
/**
@@ -470,7 +470,7 @@ int try_set_zone_oom(struct zonelist *zonelist, gfp_t gfp_mask)
struct zone *zone;
int ret = 1;
- spin_lock(&zone_scan_mutex);
+ spin_lock(&zone_scan_lock);
for_each_zone_zonelist(zone, z, zonelist, gfp_zone(gfp_mask)) {
if (zone_is_oom_locked(zone)) {
ret = 0;
@@ -480,7 +480,7 @@ int try_set_zone_oom(struct zonelist *zonelist, gfp_t gfp_mask)
for_each_zone_zonelist(zone, z, zonelist, gfp_zone(gfp_mask)) {
/*
- * Lock each zone in the zonelist under zone_scan_mutex so a
+ * Lock each zone in the zonelist under zone_scan_lock so a
* parallel invocation of try_set_zone_oom() doesn't succeed
* when it shouldn't.
*/
@@ -488,7 +488,7 @@ int try_set_zone_oom(struct zonelist *zonelist, gfp_t gfp_mask)
}
out:
- spin_unlock(&zone_scan_mutex);
+ spin_unlock(&zone_scan_lock);
return ret;
}
@@ -502,11 +502,11 @@ void clear_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_mask)
struct zoneref *z;
struct zone *zone;
- spin_lock(&zone_scan_mutex);
+ spin_lock(&zone_scan_lock);
for_each_zone_zonelist(zone, z, zonelist, gfp_zone(gfp_mask)) {
zone_clear_flag(zone, ZONE_OOM_LOCKED);
}
- spin_unlock(&zone_scan_mutex);
+ spin_unlock(&zone_scan_lock);
}
/*
--
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