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| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2014-06-04 16:07:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-04 16:54:03 -0700 |
| commit | f7f28ca98b9a7a99fc55df2dddcf49857ab004f0 (patch) | |
| tree | 42be5cf168124aa24fafe7768a5bba73c059d610 | |
| parent | 7c8e0181e6e0b8079c4c2ce902bf52d7a2c6fa5d (diff) | |
| download | linux-f7f28ca98b9a7a99fc55df2dddcf49857ab004f0.tar.gz linux-f7f28ca98b9a7a99fc55df2dddcf49857ab004f0.tar.bz2 linux-f7f28ca98b9a7a99fc55df2dddcf49857ab004f0.zip | |
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@rasmusvillemoes.dk>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/syscalls.h | 2 | ||||
| -rw-r--r-- | mm/mempolicy.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index a4a0588c5397..bfef0be279dd 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -723,7 +723,7 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages, 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 --git a/mm/mempolicy.c b/mm/mempolicy.c index 78e1472933ea..727187f1155b 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1362,7 +1362,7 @@ static int copy_nodes_to_user(unsigned long __user *mask, unsigned long maxnode, } 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; |