Subject: + mm-constify-nmask-argument-to-mbind.patch added to -mm tree
To: linux@xxxxxxxxxxxxxxxxxx,riel@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 30 Apr 2014 11:16:19 -0700
The patch titled
Subject: mm: constify nmask argument to mbind()
has been added to the -mm tree. Its filename is
mm-constify-nmask-argument-to-mbind.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-constify-nmask-argument-to-mbind.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-constify-nmask-argument-to-mbind.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Subject: mm: constify nmask argument to mbind()
The nmask argument to mbind() is const according to the userspace header
numaif.h, and since the kernel does indeed not modify it, it might as well
be declared const in the kernel.
Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Acked-by: Rik van Riel <riel@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/syscalls.h | 2 +-
mm/mempolicy.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff -puN include/linux/syscalls.h~mm-constify-nmask-argument-to-mbind include/linux/syscalls.h
--- a/include/linux/syscalls.h~mm-constify-nmask-argument-to-mbind
+++ a/include/linux/syscalls.h
@@ -723,7 +723,7 @@ asmlinkage long sys_move_pages(pid_t pid
int flags);
asmlinkage long sys_mbind(unsigned long start, unsigned long len,
unsigned long mode,
- unsigned long __user *nmask,
+ const unsigned long __user *nmask,
unsigned long maxnode,
unsigned flags);
asmlinkage long sys_get_mempolicy(int __user *policy,
diff -puN mm/mempolicy.c~mm-constify-nmask-argument-to-mbind mm/mempolicy.c
--- a/mm/mempolicy.c~mm-constify-nmask-argument-to-mbind
+++ a/mm/mempolicy.c
@@ -1312,7 +1312,7 @@ static int copy_nodes_to_user(unsigned l
}
SYSCALL_DEFINE6(mbind, unsigned long, start, unsigned long, len,
- unsigned long, mode, unsigned long __user *, nmask,
+ unsigned long, mode, const unsigned long __user *, nmask,
unsigned long, maxnode, unsigned, flags)
{
nodemask_t nodes;
_
Patches currently in -mm which might be from linux@xxxxxxxxxxxxxxxxxx are
mm-constify-nmask-argument-to-mbind.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
