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authorAlexey Dobriyan <adobriyan@gmail.com>2018-02-07 02:37:24 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-07 05:32:43 +0300
commitefb1a57d90cae6af1ddd32f1b920c924a711aba5 (patch)
tree6aa5fba9d4240e0a171eb2ac9bfc9d64aae7aa2e /fs/proc/base.c
parent53f63345d893df36b58e81ddb3d11dcd2e9cc966 (diff)
downloadlinux-efb1a57d90cae6af1ddd32f1b920c924a711aba5.tar.xz
fs/proc: use __ro_after_init
/proc/self inode numbers, value of proc_inode_cache and st_nlink of /proc/$TGID are fixed constants. Link: http://lkml.kernel.org/r/20180103184707.GA31849@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/base.c')
-rw-r--r--fs/proc/base.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index a3efc2427c74..9298324325ed 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -75,6 +75,7 @@
#include <linux/ptrace.h>
#include <linux/tracehook.h>
#include <linux/printk.h>
+#include <linux/cache.h>
#include <linux/cgroup.h>
#include <linux/cpuset.h>
#include <linux/audit.h>
@@ -112,8 +113,8 @@
* in /proc for a task before it execs a suid executable.
*/
-static u8 nlink_tid;
-static u8 nlink_tgid;
+static u8 nlink_tid __ro_after_init;
+static u8 nlink_tgid __ro_after_init;
struct pid_entry {
const char *name;