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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:35 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:46 -0800
commit9a32144e9d7b4e21341174b1a83b82a82353be86 (patch)
tree6f08560b341418fc9934f56f6162a95f5b5d8aec /kernel
parent00977a59b951207d38380c75f03a36829950265c (diff)
downloadop-kernel-dev-9a32144e9d7b4e21341174b1a83b82a82353be86.zip
op-kernel-dev-9a32144e9d7b4e21341174b1a83b82a82353be86.tar.gz
[PATCH] mark struct file_operations const 7
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/cpuset.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 6b05dc6..232aed2 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2656,7 +2656,7 @@ static int cpuset_open(struct inode *inode, struct file *file)
return single_open(file, proc_cpuset_show, pid);
}
-struct file_operations proc_cpuset_operations = {
+const struct file_operations proc_cpuset_operations = {
.open = cpuset_open,
.read = seq_read,
.llseek = seq_lseek,
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