linux-kernel - [PATCH] proc: slightly faster /proc/*/limits

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Message-ID: <20181203164242.GB6904@avx2>
Date:   Mon, 3 Dec 2018 19:42:42 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, nhorman@...driver.com
Subject: [PATCH] proc: slightly faster /proc/*/limits

Header of /proc/*/limits is a fixed string, so print it directly without
formatting specifiers.

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 fs/proc/base.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -581,8 +581,10 @@ static int proc_pid_limits(struct seq_file *m, struct pid_namespace *ns,
 	/*
 	 * print the file header
 	 */
-       seq_printf(m, "%-25s %-20s %-20s %-10s\n",
-		  "Limit", "Soft Limit", "Hard Limit", "Units");
+	seq_puts(m, "Limit                     "
+		"Soft Limit           "
+		"Hard Limit           "
+		"Units     \n");
 
 	for (i = 0; i < RLIM_NLIMITS; i++) {
 		if (rlim[i].rlim_cur == RLIM_INFINITY)