[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>
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 4c14d42..5faf01a 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -205,8 +205,7 @@
/*
* Does the application expect PROT_READ to imply PROT_EXEC:
*/
- if (unlikely((prot & PROT_READ) &&
- (current->personality & READ_IMPLIES_EXEC)))
+ if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC))
prot |= PROT_EXEC;
vm_flags = calc_vm_prot_bits(prot);