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authorChristoph Lameter <clameter@sgi.com>2006-01-18 17:42:32 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-18 19:20:17 -0800
commit1743660b911bfb849b1fb33830522254561b9f9b (patch)
tree82bfd84f534e7a571667916f90e2492c7148cbac /kernel/sysctl.c
parent9eeff2395e3cfd05c9b2e6074ff943a34b0c5c21 (diff)
downloadlwn-1743660b911bfb849b1fb33830522254561b9f9b.tar.gz
lwn-1743660b911bfb849b1fb33830522254561b9f9b.zip
[PATCH] Zone reclaim: proc override
proc support for zone reclaim This patch creates a proc entry /proc/sys/vm/zone_reclaim_mode that may be used to override the automatic determination of the zone reclaim made on bootup. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index f5d69b6e29f5..cb99a42f8b37 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -870,6 +870,17 @@ static ctl_table vm_table[] = {
.strategy = &sysctl_jiffies,
},
#endif
+#ifdef CONFIG_NUMA
+ {
+ .ctl_name = VM_ZONE_RECLAIM_MODE,
+ .procname = "zone_reclaim_mode",
+ .data = &zone_reclaim_mode,
+ .maxlen = sizeof(zone_reclaim_mode),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ .strategy = &zero,
+ },
+#endif
{ .ctl_name = 0 }
};