diff options
Diffstat (limited to 'security/selinux/avc.c')
| -rw-r--r-- | security/selinux/avc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/security/selinux/avc.c b/security/selinux/avc.c index 430b0e23ee00..8f77b9a732e1 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -30,13 +30,14 @@ #include "avc.h" #include "avc_ss.h" #include "classmap.h" +#include "hash.h" #define CREATE_TRACE_POINTS #include <trace/events/avc.h> -#define AVC_CACHE_SLOTS 512 -#define AVC_DEF_CACHE_THRESHOLD 512 -#define AVC_CACHE_RECLAIM 16 +#define AVC_CACHE_SLOTS (1 << CONFIG_SECURITY_SELINUX_AVC_HASH_BITS) +#define AVC_DEF_CACHE_THRESHOLD AVC_CACHE_SLOTS +#define AVC_CACHE_RECLAIM 16 #ifdef CONFIG_SECURITY_SELINUX_AVC_STATS #define avc_cache_stats_incr(field) this_cpu_inc(avc_cache_stats.field) @@ -124,7 +125,7 @@ static struct kmem_cache *avc_xperms_cachep __ro_after_init; static inline u32 avc_hash(u32 ssid, u32 tsid, u16 tclass) { - return (ssid ^ (tsid<<2) ^ (tclass<<4)) & (AVC_CACHE_SLOTS - 1); + return av_hash(ssid, tsid, (u32)tclass, (u32)(AVC_CACHE_SLOTS - 1)); } /** |