From 9a27e97aaab9a25fac2e8976e98e42ab7f4a8fac Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 21 Aug 2018 21:54:41 -0700 Subject: [PATCH] proc: use "unsigned int" in /proc/stat hook Number of CPUs is never high enough to force 64-bit arithmetic. Save couple of bytes on x86_64. Link: http://lkml.kernel.org/r/20180627200710.GC18434@avx2 Signed-off-by: Alexey Dobriyan Reviewed-by: Andrew Morton Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/stat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/proc/stat.c b/fs/proc/stat.c index 59749dfaef67..535eda7857cf 100644 --- a/fs/proc/stat.c +++ b/fs/proc/stat.c @@ -183,7 +183,7 @@ static int show_stat(struct seq_file *p, void *v) static int stat_open(struct inode *inode, struct file *file) { - size_t size = 1024 + 128 * num_online_cpus(); + unsigned int size = 1024 + 128 * num_online_cpus(); /* minimum size to display an interrupt count : 2 bytes */ size += 2 * nr_irqs; -- 2.25.1