diff options
| author | Stephen Smalley <sds@tycho.nsa.gov> | 2010-03-15 10:42:11 -0400 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-03-15 17:31:02 -0400 |
| commit | 77c160e7798b4141a0705c734397a9236bb0e726 (patch) | |
| tree | e163a4f3fac4fa6f6419d95bcdf78e842d510089 | |
| parent | a19c5bbefb37ebe22fb42bd3861a8d3b2a2652a1 (diff) | |
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>
| -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 | |||
| 82 | void avtab_cache_init(void); | 82 | void avtab_cache_init(void); |
| 83 | void avtab_cache_destroy(void); | 83 | void avtab_cache_destroy(void); |
| 84 | 84 | ||
| 85 | #define MAX_AVTAB_HASH_BITS 13 | 85 | #define MAX_AVTAB_HASH_BITS 11 |
| 86 | #define MAX_AVTAB_HASH_BUCKETS (1 << MAX_AVTAB_HASH_BITS) | 86 | #define MAX_AVTAB_HASH_BUCKETS (1 << MAX_AVTAB_HASH_BITS) |
| 87 | #define MAX_AVTAB_HASH_MASK (MAX_AVTAB_HASH_BUCKETS-1) | 87 | #define MAX_AVTAB_HASH_MASK (MAX_AVTAB_HASH_BUCKETS-1) |
| 88 | #define MAX_AVTAB_SIZE MAX_AVTAB_HASH_BUCKETS | 88 | #define MAX_AVTAB_SIZE MAX_AVTAB_HASH_BUCKETS |