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[PATCH] likely cleanup: remove unlikely in sys_mprotect() 

With likely/unlikely profiling on my not-so-busy-typical-developmentsystem
there are 5k misses vs 2k hits.  So I guess we should remove the unlikely.

Signed-off-by: Hua Zhong <hzhong@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Hua Zhong 2006-06-23 02:03:23 -07:00 committed by Linus Torvalds
parent cfd9b7df4a
commit b344e05c58
1 changed files with 1 additions and 2 deletions
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3
mm/mprotect.c
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@ -205,8 +205,7 @@ sys_mprotect(unsigned long start, size_t len, unsigned long prot)
/* /*
* Does the application expect PROT_READ to imply PROT_EXEC: * Does the application expect PROT_READ to imply PROT_EXEC:
*/ */
if (unlikely((prot & PROT_READ) && if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC))
(current->personality & READ_IMPLIES_EXEC)))
prot |= PROT_EXEC; prot |= PROT_EXEC;
vm_flags = calc_vm_prot_bits(prot); vm_flags = calc_vm_prot_bits(prot);