The patch titled
likely cleanup: remove unlikely in sys_mprotect()
has been added to the -mm tree. Its filename is
likely-cleanup-remove-unlikely-in-sys_mprotect.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
From: Hua Zhong <hzhong@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
mm/mprotect.c | 3 +--
1 files changed, 1 insertion(+), 2 deletions(-)
diff -puN mm/mprotect.c~likely-cleanup-remove-unlikely-in-sys_mprotect mm/mprotect.c
--- 25/mm/mprotect.c~likely-cleanup-remove-unlikely-in-sys_mprotect Wed Apr 26 14:28:12 2006
+++ 25-akpm/mm/mprotect.c Wed Apr 26 14:28:12 2006
@@ -220,8 +220,7 @@ sys_mprotect(unsigned long start, size_t
/*
* 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);
_
Patches currently in -mm which might be from hzhong@xxxxxxxxx are
origin.patch
likely-cleanup-remove-unlikely-in-sys_mprotect.patch
rename-swapper-to-idle.patch
remove-unlikely-in-might_sleep_if.patch
ide-error-handling-fixes.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
