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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/net/ax25.h
parentf59e5e82096f81a2cb7d7833001956d81e9fa6fb (diff)
downloadop-kernel-dev-540473208f8ac71c25a87e1a2670c3c18dd4d6db.zip
op-kernel-dev-540473208f8ac71c25a87e1a2670c3c18dd4d6db.tar.gz
[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/net/ax25.h')
-rw-r--r--include/net/ax25.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 5ae10dd..47ff2f4 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -377,7 +377,7 @@ extern int ax25_check_iframes_acked(ax25_cb *, unsigned short);
/* ax25_route.c */
extern void ax25_rt_device_down(struct net_device *);
extern int ax25_rt_ioctl(unsigned int, void __user *);
-extern struct file_operations ax25_route_fops;
+extern const struct file_operations ax25_route_fops;
extern ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev);
extern int ax25_rt_autobind(ax25_cb *, ax25_address *);
extern struct sk_buff *ax25_rt_build_path(struct sk_buff *, ax25_address *, ax25_address *, ax25_digi *);
@@ -430,7 +430,7 @@ extern unsigned long ax25_display_timer(struct timer_list *);
extern int ax25_uid_policy;
extern ax25_uid_assoc *ax25_findbyuid(uid_t);
extern int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *);
-extern struct file_operations ax25_uid_fops;
+extern const struct file_operations ax25_uid_fops;
extern void ax25_uid_free(void);
/* sysctl_net_ax25.c */
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