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| author | Len Brown <len.brown@intel.com> | 2009-01-09 08:38:15 (GMT) |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-01-09 08:38:15 (GMT) |
| commit | 3cc8a5f4ba91f67bbdb81a43a99281a26aab8d77 (patch) | |
| tree | 82b60e24ce5457e2e21e00bfa3b2f171d7eb97ce /arch/x86/kernel/e820.c | |
| parent | d0302bc62af7983040ea1cd1b5dd2b36e1a6a509 (diff) | |
| parent | ada9cfdd158abb8169873dc8e5ae39b1ec6ffa8c (diff) | |
| download | linux-fsl-qoriq-3cc8a5f4ba91f67bbdb81a43a99281a26aab8d77.tar.xz | |
Merge branch 'suspend' into release
Diffstat (limited to 'arch/x86/kernel/e820.c')
| -rw-r--r-- | arch/x86/kernel/e820.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 7aafeb5..74c6a21 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. */ |