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numad/mainline-sysfs-paths.patch
Cristian Rodríguez 04680bb10f Accepting request 178908 from home:mgorman
Request inclusion of package with hardware project before submitting to Factory

OBS-URL: https://build.opensuse.org/request/show/178908
OBS-URL: https://build.opensuse.org/package/show/hardware/numad?expand=0&rev=1
2013-06-15 06:51:35 +00:00

37 lines
1.6 KiB
Diff

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