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authorStephen Smalley <sds@tycho.nsa.gov>2010-03-15 10:42:11 -0400
committerJames Morris <jmorris@namei.org>2010-03-16 08:31:02 +1100
commit77c160e7798b4141a0705c734397a9236bb0e726 (patch)
treee163a4f3fac4fa6f6419d95bcdf78e842d510089 /security/selinux/ss
parenta19c5bbefb37ebe22fb42bd3861a8d3b2a2652a1 (diff)
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SELinux: Reduce max avtab size to avoid page allocation failures
Reduce MAX_AVTAB_HASH_BITS so that the avtab allocation is an order 2 allocation rather than an order 4 allocation on x86_64. This addresses reports of page allocation failures: http://marc.info/?l=selinux&m=126757230625867&w=2 https://bugzilla.redhat.com/show_bug.cgi?id=570433 Reported-by: Russell Coker <russell@coker.com.au> Signed-off-by: Stephen D. Smalley <sds@tycho.nsa.gov> Acked-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/selinux/ss')
-rw-r--r--security/selinux/ss/avtab.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/security/selinux/ss/avtab.h b/security/selinux/ss/avtab.h
index 8da6a842808..cd4f734e274 100644
--- a/security/selinux/ss/avtab.h
+++ b/security/selinux/ss/avtab.h
@@ -82,7 +82,7 @@ struct avtab_node *avtab_search_node_next(struct avtab_node *node, int specified
void avtab_cache_init(void);
void avtab_cache_destroy(void);
-#define MAX_AVTAB_HASH_BITS 13
+#define MAX_AVTAB_HASH_BITS 11
#define MAX_AVTAB_HASH_BUCKETS (1 << MAX_AVTAB_HASH_BITS)
#define MAX_AVTAB_HASH_MASK (MAX_AVTAB_HASH_BUCKETS-1)
#define MAX_AVTAB_SIZE MAX_AVTAB_HASH_BUCKETS