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Commit 9a27e97a authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
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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: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 891ae71d

fs/proc/stat.c

+1 −1
Original line number Diff line number Diff line
@@ -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;