From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Tue, 13 Dec 2016 00:45:08 +0000 (-0800)
Subject: proc: make struct pid_entry::len unsigned
X-Git-Tag: v4.10-rc1~171^2~32
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=623f594e7d20e4b5dac50aba5bd23822f2a95d6f;p=thirdparty%2Fkernel%2Flinux.git

proc: make struct pid_entry::len unsigned

"unsigned int" is better on x86_64 because it most of the time it
autoexpands to 64-bit value while "int" requires MOVSX instruction.

Link: http://lkml.kernel.org/r/20161029160810.GF1246@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>
---

diff --git a/fs/proc/base.c b/fs/proc/base.c
index ca651ac006608..e1227bc570907 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -106,7 +106,7 @@
 
 struct pid_entry {
 	const char *name;
-	int len;
+	unsigned int len;
 	umode_t mode;
 	const struct inode_operations *iop;
 	const struct file_operations *fop;