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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 11:55:34 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 20:48:45 +0300
commit00977a59b951207d38380c75f03a36829950265c (patch)
tree26933feafebffca95df02c19df03f5e56aada47e /fs/proc/task_mmu.c
parentd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (diff)
downloadlinux-00977a59b951207d38380c75f03a36829950265c.tar.xz
[PATCH] mark struct file_operations const 6
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 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 55ade0d15621..7445980c8022 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -434,7 +434,7 @@ static int maps_open(struct inode *inode, struct file *file)
return do_maps_open(inode, file, &proc_pid_maps_op);
}
-struct file_operations proc_maps_operations = {
+const struct file_operations proc_maps_operations = {
.open = maps_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -456,7 +456,7 @@ static int numa_maps_open(struct inode *inode, struct file *file)
return do_maps_open(inode, file, &proc_pid_numa_maps_op);
}
-struct file_operations proc_numa_maps_operations = {
+const struct file_operations proc_numa_maps_operations = {
.open = numa_maps_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -469,7 +469,7 @@ static int smaps_open(struct inode *inode, struct file *file)
return do_maps_open(inode, file, &proc_pid_smaps_op);
}
-struct file_operations proc_smaps_operations = {
+const struct file_operations proc_smaps_operations = {
.open = smaps_open,
.read = seq_read,
.llseek = seq_lseek,