summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/e820.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-01-11 03:41:39 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-11 03:41:39 +0100
commitabede81c4fb2e3b85d8760f25e3da39d2c69a134 (patch)
tree26c893ec108d837eb9171d678c55a1cea7b22af4 /arch/x86/kernel/e820.c
parentc9d557c19f94df42db78d4a5de4d25feee694bad (diff)
parentc59765042f53a79a7a65585042ff463b69cb248c (diff)
downloadtalos-obmc-linux-abede81c4fb2e3b85d8760f25e3da39d2c69a134.tar.gz
talos-obmc-linux-abede81c4fb2e3b85d8760f25e3da39d2c69a134.zip
Merge commit 'v2.6.29-rc1' into core/urgent
Diffstat (limited to 'arch/x86/kernel/e820.c')
-rw-r--r--arch/x86/kernel/e820.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 65a13943e098..e85826829cf2 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -665,6 +665,27 @@ void __init e820_mark_nosave_regions(unsigned long limit_pfn)
}
#endif
+#ifdef CONFIG_HIBERNATION
+/**
+ * Mark ACPI NVS memory region, so that we can save/restore it during
+ * hibernation and the subsequent resume.
+ */
+static int __init e820_mark_nvs_memory(void)
+{
+ int i;
+
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+
+ if (ei->type == E820_NVS)
+ hibernate_nvs_register(ei->addr, ei->size);
+ }
+
+ return 0;
+}
+core_initcall(e820_mark_nvs_memory);
+#endif
+
/*
* Early reserved memory areas.
*/
OpenPOWER on IntegriCloud