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Map highbit64() to fls64()

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The fls64() function has been available since Linux 2.6.16 and
it should be used to implemented highbit64().  This allows us
to provide an optimized implementation and simplify the code.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2014-09-30 18:07:07 -04:00
parent 9c91800d19
commit 87f8055a91
5 changed files with 3 additions and 97 deletions
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module/spl/spl-kmem.c
+1 -1
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@@ -977,7 +977,7 @@ spl_sko_from_obj(spl_kmem_cache_t *skc, void *obj)
static inline uint32_t
spl_offslab_size(spl_kmem_cache_t *skc)
{
return 1UL << (highbit(spl_obj_size(skc)) + 1);
return 1UL << (fls64(spl_obj_size(skc)) + 1);
}
/*