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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-19 21:22:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-19 21:22:53 -0700
commit257313b2a87795e07a0bdf58d0fffbdba8b31051 (patch)
treeff5043526b0381cdc1f1f68d3c6f8ed3635e0ddb /security/selinux/selinuxfs.c
parent044aea9b83614948c98564000db07d1d32b2d29b (diff)
selinux: avoid unnecessary avc cache stat hit count
There is no point in counting hits - we can calculate it from the number of lookups and misses. This makes the avc statistics a bit smaller, and makes the code generation better too. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'security/selinux/selinuxfs.c')
-rw-r--r--security/selinux/selinuxfs.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index ea39cb742ae5..c0e1a0f52462 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -1380,10 +1380,14 @@ static int sel_avc_stats_seq_show(struct seq_file *seq, void *v)
if (v == SEQ_START_TOKEN)
seq_printf(seq, "lookups hits misses allocations reclaims "
"frees\n");
- else
- seq_printf(seq, "%u %u %u %u %u %u\n", st->lookups,
- st->hits, st->misses, st->allocations,
+ else {
+ unsigned int lookups = st->lookups;
+ unsigned int misses = st->misses;
+ unsigned int hits = lookups - misses;
+ seq_printf(seq, "%u %u %u %u %u %u\n", lookups,
+ hits, misses, st->allocations,
st->reclaims, st->frees);
+ }
return 0;
}