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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/fs/proc/base.c b/fs/proc/base.c
index ca651ac00660889a86fcd5c27d4a29aa709d5a53..e1227bc570907eb810bd4d8a671631f9b69e7398 100644 (file)
--- 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;