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| author | Len Brown <len.brown@intel.com> | 2009-01-09 09:38:15 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-01-09 09:38:15 +0100 |
| commit | 3cc8a5f4ba91f67bbdb81a43a99281a26aab8d77 (patch) | |
| tree | 82b60e24ce5457e2e21e00bfa3b2f171d7eb97ce /arch | |
| parent | Merge branch 'misc' into release (diff) | |
| parent | doc: fix kernel-parameters.txt formatting (diff) | |
| download | linux-3cc8a5f4ba91f67bbdb81a43a99281a26aab8d77.tar.xz linux-3cc8a5f4ba91f67bbdb81a43a99281a26aab8d77.zip | |
Merge branch 'suspend' into release
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/acpi/sleep.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/e820.c | 21 |
2 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index 806b4e9051b4..707c1f6f95fa 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -159,6 +159,8 @@ static int __init acpi_sleep_setup(char *str) #endif if (strncmp(str, "old_ordering", 12) == 0) acpi_old_suspend_ordering(); + if (strncmp(str, "s4_nonvs", 8) == 0) + acpi_s4_no_nvs(); str = strchr(str, ','); if (str != NULL) str += strspn(str, ", \t"); diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 7aafeb5263ef..74c6a21fdc8c 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. */ |