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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/oprofile_files.c
parentfa027c2a0a0d6d1df6b29ee99048502c93da0dd4 (diff)
[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/oprofile_files.c')
-rw-r--r--drivers/oprofile/oprofile_files.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
index a72006c08f2..ef953ba5ab6 100644
--- a/drivers/oprofile/oprofile_files.c
+++ b/drivers/oprofile/oprofile_files.c
@@ -44,7 +44,7 @@ static ssize_t depth_write(struct file * file, char const __user * buf, size_t c
}
-static struct file_operations depth_fops = {
+static const struct file_operations depth_fops = {
.read = depth_read,
.write = depth_write
};
@@ -56,7 +56,7 @@ static ssize_t pointer_size_read(struct file * file, char __user * buf, size_t c
}
-static struct file_operations pointer_size_fops = {
+static const struct file_operations pointer_size_fops = {
.read = pointer_size_read,
};
@@ -67,7 +67,7 @@ static ssize_t cpu_type_read(struct file * file, char __user * buf, size_t count
}
-static struct file_operations cpu_type_fops = {
+static const struct file_operations cpu_type_fops = {
.read = cpu_type_read,
};
@@ -101,7 +101,7 @@ static ssize_t enable_write(struct file * file, char const __user * buf, size_t
}
-static struct file_operations enable_fops = {
+static const struct file_operations enable_fops = {
.read = enable_read,
.write = enable_write,
};
@@ -114,7 +114,7 @@ static ssize_t dump_write(struct file * file, char const __user * buf, size_t co
}
-static struct file_operations dump_fops = {
+static const struct file_operations dump_fops = {
.write = dump_write,
};