"unsigned int" is better on x86_64 because it most of the time it autoexpands to 64-bit value while "int" requires MOVSX instruction.
Signed-off-by: Alexey Dobriyan <adobri...@gmail.com> --- fs/proc/base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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;