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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:28 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:44 -0800
commit540473208f8ac71c25a87e1a2670c3c18dd4d6db (patch)
tree716c6b412ebf3e232bd85da785315f888283d991 /include/linux/random.h
parentf59e5e82096f81a2cb7d7833001956d81e9fa6fb (diff)
downloadop-kernel-dev-540473208f8ac71c25a87e1a2670c3c18dd4d6db.zip
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[PATCH] mark struct file_operations const 1
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 'include/linux/random.h')
-rw-r--r--include/linux/random.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/random.h b/include/linux/random.h
index 01ad710..36f125c 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -63,7 +63,7 @@ extern u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr,
__be16 sport, __be16 dport);
#ifndef MODULE
-extern struct file_operations random_fops, urandom_fops;
+extern const struct file_operations random_fops, urandom_fops;
#endif
unsigned int get_random_int(void);
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