Mailing List Archive

ChangeSet 1.1159.256.91, 2005/04/13 23:13:14+01:00, iap10@tetris.cl.cam.ac.uk

Better default for dom0 memory.

Add Xen cmd line parameter to set max number of CPUs ("maxcpus").
This doesn't change the enumeration order, so you may wish to use
it in conjunction with 'noht'.



setup.c | 2 +-
smpboot.c | 4 +++-
2 files changed, 4 insertions(+), 2 deletions(-)


diff -Nru a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
--- a/xen/arch/x86/setup.c 2005-04-13 19:04:04 -04:00
+++ b/xen/arch/x86/setup.c 2005-04-13 19:04:04 -04:00
@@ -22,7 +22,7 @@
#include <asm/e820.h>

/* opt_dom0_mem: Kilobytes of memory allocated to domain 0. */
-static unsigned int opt_dom0_mem = 16000;
+static unsigned int opt_dom0_mem = 64000;
integer_param("dom0_mem", opt_dom0_mem);

/*
diff -Nru a/xen/arch/x86/smpboot.c b/xen/arch/x86/smpboot.c
--- a/xen/arch/x86/smpboot.c 2005-04-13 19:04:04 -04:00
+++ b/xen/arch/x86/smpboot.c 2005-04-13 19:04:04 -04:00
@@ -51,8 +51,10 @@

#ifdef CONFIG_SMP

-/* Setup configured maximum number of CPUs to activate */
+/* Cconfigured maximum number of CPUs to activate. We name the parameter
+"maxcpus" rather than max_cpus to be compatible with Linux */
static int max_cpus = -1;
+integer_param("maxcpus", max_cpus);

/* Total count of live CPUs */
int smp_num_cpus = 1;

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