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authorRobert Richter <robert.richter@amd.com>2010-04-23 14:30:22 +0200
committerRobert Richter <robert.richter@amd.com>2010-04-23 14:30:22 +0200
commita36bf32e9e8a86f291f746b7f8292e042ee04a46 (patch)
treec5c999baa4c214218e3adea9b336cbd9f23950ad /kernel/power/hibernate.c
parentbc078e4eab65f11bbaeed380593ab8151b30d703 (diff)
parent01bf0b64579ead8a82e7cfc32ae44bc667e7ad0f (diff)
Merge commit 'v2.6.34-rc5' into oprofile/core
Diffstat (limited to 'kernel/power/hibernate.c')
-rw-r--r--kernel/power/hibernate.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index bbfe472d7524..aa9e916da4d5 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -22,6 +22,7 @@
#include <linux/console.h>
#include <linux/cpu.h>
#include <linux/freezer.h>
+#include <linux/gfp.h>
#include <scsi/scsi_scan.h>
#include <asm/suspend.h>
@@ -323,6 +324,7 @@ static int create_image(int platform_mode)
int hibernation_snapshot(int platform_mode)
{
int error;
+ gfp_t saved_mask;
error = platform_begin(platform_mode);
if (error)
@@ -334,6 +336,7 @@ int hibernation_snapshot(int platform_mode)
goto Close;
suspend_console();
+ saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
error = dpm_suspend_start(PMSG_FREEZE);
if (error)
goto Recover_platform;
@@ -351,6 +354,7 @@ int hibernation_snapshot(int platform_mode)
dpm_resume_end(in_suspend ?
(error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE);
+ set_gfp_allowed_mask(saved_mask);
resume_console();
Close:
platform_end(platform_mode);
@@ -445,14 +449,17 @@ static int resume_target_kernel(bool platform_mode)
int hibernation_restore(int platform_mode)
{
int error;
+ gfp_t saved_mask;
pm_prepare_console();
suspend_console();
+ saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
error = dpm_suspend_start(PMSG_QUIESCE);
if (!error) {
error = resume_target_kernel(platform_mode);
dpm_resume_end(PMSG_RECOVER);
}
+ set_gfp_allowed_mask(saved_mask);
resume_console();
pm_restore_console();
return error;
@@ -466,6 +473,7 @@ int hibernation_restore(int platform_mode)
int hibernation_platform_enter(void)
{
int error;
+ gfp_t saved_mask;
if (!hibernation_ops)
return -ENOSYS;
@@ -481,6 +489,7 @@ int hibernation_platform_enter(void)
entering_platform_hibernation = true;
suspend_console();
+ saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
error = dpm_suspend_start(PMSG_HIBERNATE);
if (error) {
if (hibernation_ops->recover)
@@ -518,6 +527,7 @@ int hibernation_platform_enter(void)
Resume_devices:
entering_platform_hibernation = false;
dpm_resume_end(PMSG_RESTORE);
+ set_gfp_allowed_mask(saved_mask);
resume_console();
Close: