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| author | Stephen Smalley <sds@tycho.nsa.gov> | 2010-03-15 10:42:11 -0400 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-03-16 08:31:02 +1100 |
| commit | 77c160e7798b4141a0705c734397a9236bb0e726 (patch) | |
| tree | e163a4f3fac4fa6f6419d95bcdf78e842d510089 /security/selinux | |
| parent | a19c5bbefb37ebe22fb42bd3861a8d3b2a2652a1 (diff) | |
| download | linux-77c160e7798b4141a0705c734397a9236bb0e726.tar.bz2 | |
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')
| -rw-r--r-- | security/selinux/ss/avtab.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/security/selinux/ss/avtab.h b/security/selinux/ss/avtab.h index 8da6a8428086..cd4f734e2749 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 |