From 5c134fbd0da24ad0c89d00ca40f6fe740a565911 Mon Sep 17 00:00:00 2001 From: WANG Chao Date: Tue, 21 Jan 2014 12:16:13 +0800 Subject: [PATCH] s390x, sysconfig: Change maxcpus=1 to nr_cpus=1 for s390x IBM would strongly recommend for s390x to replace "maxcpus=1" with "nr_cpus=1" because with the "nr_cpus=1" kernel parameter only for one CPU the per-cpu data structures are allocated. This currently saves several MiB of memory. IBM (michael.holzheu@de.ibm.com) has confirmed this patch worked fine. Signed-off-by: WANG Chao Acked-by: Dave Young Acked-by: Vivek Goyal --- kdump.sysconfig.s390x | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kdump.sysconfig.s390x b/kdump.sysconfig.s390x index b55515a..848b043 100644 --- a/kdump.sysconfig.s390x +++ b/kdump.sysconfig.s390x @@ -16,7 +16,7 @@ KDUMP_COMMANDLINE="" # This variable lets us append arguments to the current kdump commandline # As taken from either KDUMP_COMMANDLINE above, or from /proc/cmdline -KDUMP_COMMANDLINE_APPEND="maxcpus=1 cgroup_disable=memory numa=off udev.children-max=2 panic=10 rootflags=nofail" +KDUMP_COMMANDLINE_APPEND="nr_cpus=1 cgroup_disable=memory numa=off udev.children-max=2 panic=10 rootflags=nofail" # Any additional /sbin/mkdumprd arguments required. MKDUMPRD_ARGS=""