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authorArnd Bergmann <arnd@arndb.de>2012-01-03 21:22:31 +0000
committerArnd Bergmann <arnd@arndb.de>2012-01-03 21:22:46 +0000
commit1fc3eb81100c3f3cd44e706e54390151b0f1ce74 (patch)
tree922f64310caa55a3b417958a1c256a96f47c4b66 /arch/x86/xen/setup.c
parente006d6563bca989aeae1bc5ebc03dacdf5e15b32 (diff)
parentee9ba0f2fd5819e377cdec974a2022a7af02a385 (diff)
Merge branch 'imx/board' into next/boards
* imx/board: (4 commits) Enable 32 bit flash support for iMX21ADS board ARM: mx31pdk: Add MC13783 RTC support iomux-mx25: configuration to support CSPI3 on CSI pins MX1:apf9328: Add i2c support Updated to v3.2-rc6, conflicts: arch/arm/kernel/setup.c
Diffstat (limited to 'arch/x86/xen/setup.c')
-rw-r--r--arch/x86/xen/setup.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 1093f80c162..b2c7179fa26 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -173,9 +173,21 @@ static unsigned long __init xen_get_max_pages(void)
domid_t domid = DOMID_SELF;
int ret;
- ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid);
- if (ret > 0)
- max_pages = ret;
+ /*
+ * For the initial domain we use the maximum reservation as
+ * the maximum page.
+ *
+ * For guest domains the current maximum reservation reflects
+ * the current maximum rather than the static maximum. In this
+ * case the e820 map provided to us will cover the static
+ * maximum region.
+ */
+ if (xen_initial_domain()) {
+ ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid);
+ if (ret > 0)
+ max_pages = ret;
+ }
+
return min(max_pages, MAX_DOMAIN_PAGES);
}