From: Alexey Dobriyan <adobriyan@xxxxxxxxx> Subject: 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@xxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/proc/cmdline.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff -puN fs/proc/cmdline.c~proc-faster-proc-cmdline fs/proc/cmdline.c --- a/fs/proc/cmdline.c~proc-faster-proc-cmdline +++ a/fs/proc/cmdline.c @@ -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; } _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
