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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:34 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:45 -0800
commitd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (patch)
treef94768d59702dbbc0beb9a70d9be65dbc5e5108d /drivers/s390/char/vmwatchdog.c
parentfa027c2a0a0d6d1df6b29ee99048502c93da0dd4 (diff)
downloadop-kernel-dev-d54b1fdb1d9f82e375a299e22bd366aad52d4c34.zip
op-kernel-dev-d54b1fdb1d9f82e375a299e22bd366aad52d4c34.tar.gz
[PATCH] mark struct file_operations const 5
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 'drivers/s390/char/vmwatchdog.c')
-rw-r--r--drivers/s390/char/vmwatchdog.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/char/vmwatchdog.c b/drivers/s390/char/vmwatchdog.c
index 4b868f7..680b9b5 100644
--- a/drivers/s390/char/vmwatchdog.c
+++ b/drivers/s390/char/vmwatchdog.c
@@ -228,7 +228,7 @@ static ssize_t vmwdt_write(struct file *f, const char __user *buf,
return count;
}
-static struct file_operations vmwdt_fops = {
+static const struct file_operations vmwdt_fops = {
.open = &vmwdt_open,
.release = &vmwdt_close,
.ioctl = &vmwdt_ioctl,
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