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[IA64] unwind: remove preprocesser noise, and correct comment 

The expression in the comment was mis-bracketted.
There was also no need to introduce a coding-style breaking
macro for a single use, so just made it a static const.

Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Phil Carmody 2010-09-14 13:34:43 -07:00 committed by Tony Luck
parent bfa88ea7ee
commit 747584be04
1 changed files with 3 additions and 3 deletions
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6
arch/ia64/kernel/unwind.c
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@ -1204,10 +1204,10 @@ desc_spill_sprel_p (unsigned char qp, unw_word t, unsigned char abreg, unw_word
static inline unw_hash_index_t
hash (unsigned long ip)
{
# define hashmagic 0x9e3779b97f4a7c16UL /* based on (sqrt(5)/2-1)*2^64 */
/* magic number = ((sqrt(5)-1)/2)*2^64 */
static const unsigned long hashmagic = 0x9e3779b97f4a7c16UL;
return (ip >> 4)*hashmagic >> (64 - UNW_LOG_HASH_SIZE);
#undef hashmagic
return (ip >> 4) * hashmagic >> (64 - UNW_LOG_HASH_SIZE);
}
static inline long