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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 09:55:31 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 18:48:44 +0100
commit5dfe4c964a0dd7bb3a1d64a4166835a153146207 (patch)
tree2fb2fd8c09922be4f40a5a9ac50b537b1d780e27 /arch/sh/mm
parent[PATCH] mark struct file_operations const 1 (diff)
downloadlinux-5dfe4c964a0dd7bb3a1d64a4166835a153146207.tar.xz
linux-5dfe4c964a0dd7bb3a1d64a4166835a153146207.zip
[PATCH] mark struct file_operations const 2
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. [akpm@osdl.org: sparc64 fix] 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 'arch/sh/mm')
-rw-r--r--arch/sh/mm/cache-debugfs.c2
-rw-r--r--arch/sh/mm/pmb.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c
index e0122bd33ddb..909dcfa8c8c6 100644
--- a/arch/sh/mm/cache-debugfs.c
+++ b/arch/sh/mm/cache-debugfs.c
@@ -114,7 +114,7 @@ static int cache_debugfs_open(struct inode *inode, struct file *file)
return single_open(file, cache_seq_show, inode->i_private);
}
-static struct file_operations cache_debugfs_fops = {
+static const struct file_operations cache_debugfs_fops = {
.owner = THIS_MODULE,
.open = cache_debugfs_open,
.read = seq_read,
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index b60ad83a7635..d0d45e2e0ab3 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -378,7 +378,7 @@ static int pmb_debugfs_open(struct inode *inode, struct file *file)
return single_open(file, pmb_seq_show, NULL);
}
-static struct file_operations pmb_debugfs_fops = {
+static const struct file_operations pmb_debugfs_fops = {
.owner = THIS_MODULE,
.open = pmb_debugfs_open,
.read = seq_read,