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dcache: subtract d_hash_shift from 32 in advance 

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Alexey Dobriyan 2017-11-20 18:05:07 +03:00 committed by Al Viro
parent 01950a349e
commit 854d3e6343
1 changed files with 3 additions and 1 deletions
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4
fs/dcache.c
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@ -110,7 +110,7 @@ static struct hlist_bl_head *dentry_hashtable __read_mostly;
static inline struct hlist_bl_head *d_hash(unsigned int hash)
{
return dentry_hashtable + (hash >> (32 - d_hash_shift));
return dentry_hashtable + (hash >> d_hash_shift);
}
#define IN_LOOKUP_SHIFT 10
@ -3593,6 +3593,7 @@ static void __init dcache_init_early(void)
&d_hash_mask,
0,
0);
d_hash_shift = 32 - d_hash_shift;
}
static void __init dcache_init(void)
@ -3619,6 +3620,7 @@ static void __init dcache_init(void)
&d_hash_mask,
0,
0);
d_hash_shift = 32 - d_hash_shift;
}
/* SLAB cache for __getname() consumers */