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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/oprofile/oprofilefs.c
parentfa027c2a0a0d6d1df6b29ee99048502c93da0dd4 (diff)
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[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/oprofile/oprofilefs.c')
-rw-r--r--drivers/oprofile/oprofilefs.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index 5756401..6e67b42 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -115,14 +115,14 @@ static int default_open(struct inode * inode, struct file * filp)
}
-static struct file_operations ulong_fops = {
+static const struct file_operations ulong_fops = {
.read = ulong_read_file,
.write = ulong_write_file,
.open = default_open,
};
-static struct file_operations ulong_ro_fops = {
+static const struct file_operations ulong_ro_fops = {
.read = ulong_read_file,
.open = default_open,
};
@@ -182,7 +182,7 @@ static ssize_t atomic_read_file(struct file * file, char __user * buf, size_t co
}
-static struct file_operations atomic_ro_fops = {
+static const struct file_operations atomic_ro_fops = {
.read = atomic_read_file,
.open = default_open,
};