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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:32 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:45 -0800
commit2b8693c0617e972fc0b2fd1ebf8de97e15b656c3 (patch)
tree3eb7dfbc8d5e4031e4992bdd566e211f5ada71f3 /drivers/char/mspec.c
parent5dfe4c964a0dd7bb3a1d64a4166835a153146207 (diff)
downloadblackbird-op-linux-2b8693c0617e972fc0b2fd1ebf8de97e15b656c3.tar.gz
blackbird-op-linux-2b8693c0617e972fc0b2fd1ebf8de97e15b656c3.zip
[PATCH] mark struct file_operations const 3
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/char/mspec.c')
-rw-r--r--drivers/char/mspec.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c
index 235e89226112..7ac30612068b 100644
--- a/drivers/char/mspec.c
+++ b/drivers/char/mspec.c
@@ -291,7 +291,7 @@ uncached_mmap(struct file *file, struct vm_area_struct *vma)
return mspec_mmap(file, vma, MSPEC_UNCACHED);
}
-static struct file_operations fetchop_fops = {
+static const struct file_operations fetchop_fops = {
.owner = THIS_MODULE,
.mmap = fetchop_mmap
};
@@ -302,7 +302,7 @@ static struct miscdevice fetchop_miscdev = {
.fops = &fetchop_fops
};
-static struct file_operations cached_fops = {
+static const struct file_operations cached_fops = {
.owner = THIS_MODULE,
.mmap = cached_mmap
};
@@ -313,7 +313,7 @@ static struct miscdevice cached_miscdev = {
.fops = &cached_fops
};
-static struct file_operations uncached_fops = {
+static const struct file_operations uncached_fops = {
.owner = THIS_MODULE,
.mmap = uncached_mmap
};
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