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authorAndrew Tridgell <tridge@samba.org>1997-10-31 05:56:07 +0000
committerAndrew Tridgell <tridge@samba.org>1997-10-31 05:56:07 +0000
commit4400805208722e3679809a0ca53c2285e45212ca (patch)
treede7661beaaa201fb90f0bdb83cc197193be610a7 /source3
parent88bd62c9b0c6d7fea06207a1ec160684e8aa0f51 (diff)
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change from * to ^ in hashing of device/inode. Using * meant that if
the device number happened to divide the number of hash buckets we would only use a small fraction of the hash buckets, which would slow things down. (This used to be commit 623ffd701f2f966875d396d8b2df74f0cf874cda)
Diffstat (limited to 'source3')
-rw-r--r--source3/locking/locking_shm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/source3/locking/locking_shm.c b/source3/locking/locking_shm.c
index c1e32538e1..dfabbac290 100644
--- a/source3/locking/locking_shm.c
+++ b/source3/locking/locking_shm.c
@@ -64,7 +64,7 @@ static int read_only;
/* Conversion to hash entry index from device and inode numbers. */
-#define HASH_ENTRY(dev,ino) ((((uint32)(dev)) * ((uint32)(ino))) % shmops->hash_size())
+#define HASH_ENTRY(dev,ino) ((((uint32)(dev)) ^ ((uint32)(ino))) % shmops->hash_size())
/*******************************************************************