Commit 58c501aa authored Apr 10, 2018 by Alexey Dobriyan Committed by Linus Torvalds Apr 11, 2018

proc: faster /proc/cmdline

Use seq_puts() and skip format string processing.

Link: http://lkml.kernel.org/r/20180309222948.GB3843@avx2


Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 1539d584

fs/proc/cmdline.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -6,7 +6,8 @@

		static int cmdline_proc_show(struct seq_file m, void v)
		{
		seq_printf(m, "%s\n", saved_command_line);
		seq_puts(m, saved_command_line);
		seq_putc(m, '\n');
		return 0;
		}