37 lines
1.6 KiB
Diff
37 lines
1.6 KiB
Diff
From 40f348eacb1c9a27f19e35341b373e351164a054 Mon Sep 17 00:00:00 2001
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From: Mel Gorman <mgorman@suse.de>
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Date: Wed, 22 May 2013 14:41:40 +0100
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Subject: [PATCH] Use sysfs configuration paths for mainline kernels
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Upstream: no
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The current recommended path for tuning THP is based on the RHEL kernel. Use
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the mainline sysfs filenames.
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Signed-off-by: Mel Gorman <mgorman@suse.de>
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---
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numad.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/numad.c b/numad.c
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index 9262cab..c9c86f5 100644
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--- a/numad.c
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+++ b/numad.c
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@@ -731,7 +731,7 @@ void check_prereqs(char *prog_name) {
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exit(EXIT_FAILURE);
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}
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// Check on THP scan sleep time.
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- char *thp_scan_fname = "/sys/kernel/mm/redhat_transparent_hugepage/khugepaged/scan_sleep_millisecs";
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+ char *thp_scan_fname = "/sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs";
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int fd = open(thp_scan_fname, O_RDONLY, 0);
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if (fd >= 0) {
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int ms;
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@@ -748,7 +748,7 @@ void check_prereqs(char *prog_name) {
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fprintf(stderr, "Consider increasing the frequency of THP scanning,\n");
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fprintf(stderr, "by echoing a smaller number (e.g. 100) to %s\n", thp_scan_fname);
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fprintf(stderr, "to more aggressively (re)construct THPs. For example:\n");
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- fprintf(stderr, "# echo 100 > /sys/kernel/mm/redhat_transparent_hugepage/khugepaged/scan_sleep_millisecs\n");
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+ fprintf(stderr, "# echo 100 > /sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs\n");
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fprintf(stderr, "\n");
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}
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}
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