Commit 6c9ff101 authored by Stephen Smalley's avatar Stephen Smalley Committed by James Morris

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=570433Reported-by: default avatarRussell Coker <russell@coker.com.au>
Signed-off-by: default avatarStephen D. Smalley <sds@tycho.nsa.gov>
Acked-by: default avatarEric Paris <eparis@redhat.com>
Signed-off-by: default avatarJames Morris <jmorris@namei.org>
parent 2ba3abd8
...@@ -82,7 +82,7 @@ struct avtab_node *avtab_search_node_next(struct avtab_node *node, int specified ...@@ -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_init(void);
void avtab_cache_destroy(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_BUCKETS (1 << MAX_AVTAB_HASH_BITS)
#define MAX_AVTAB_HASH_MASK (MAX_AVTAB_HASH_BUCKETS-1) #define MAX_AVTAB_HASH_MASK (MAX_AVTAB_HASH_BUCKETS-1)
#define MAX_AVTAB_SIZE MAX_AVTAB_HASH_BUCKETS #define MAX_AVTAB_SIZE MAX_AVTAB_HASH_BUCKETS
......
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