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authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-12-29 16:47:18 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-12-29 16:47:18 +1100
commit0a8c5395f90f06d128247844b2515c8bf3f2826b (patch)
treed95382dcdfa303b99d480c01763d6cb6767fdaca /arch/powerpc/platforms/pseries/cmm.c
parent25051158bbed127e8672b43396c71c5eb610e5f1 (diff)
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
[XFS] Fix merge failures
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: fs/xfs/linux-2.6/xfs_cred.h fs/xfs/linux-2.6/xfs_globals.h fs/xfs/linux-2.6/xfs_ioctl.c fs/xfs/xfs_vnodeops.h Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'arch/powerpc/platforms/pseries/cmm.c')
-rw-r--r--arch/powerpc/platforms/pseries/cmm.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c
index 5cd4d2761620..6567439fe78d 100644
--- a/arch/powerpc/platforms/pseries/cmm.c
+++ b/arch/powerpc/platforms/pseries/cmm.c
@@ -28,6 +28,7 @@
#include <linux/kthread.h>
#include <linux/module.h>
#include <linux/oom.h>
+#include <linux/reboot.h>
#include <linux/sched.h>
#include <linux/stringify.h>
#include <linux/swap.h>
@@ -384,6 +385,26 @@ static void cmm_unregister_sysfs(struct sys_device *sysdev)
}
/**
+ * cmm_reboot_notifier - Make sure pages are not still marked as "loaned"
+ *
+ **/
+static int cmm_reboot_notifier(struct notifier_block *nb,
+ unsigned long action, void *unused)
+{
+ if (action == SYS_RESTART) {
+ if (cmm_thread_ptr)
+ kthread_stop(cmm_thread_ptr);
+ cmm_thread_ptr = NULL;
+ cmm_free_pages(loaned_pages);
+ }
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block cmm_reboot_nb = {
+ .notifier_call = cmm_reboot_notifier,
+};
+
+/**
* cmm_init - Module initialization
*
* Return value:
@@ -399,9 +420,12 @@ static int cmm_init(void)
if ((rc = register_oom_notifier(&cmm_oom_nb)) < 0)
return rc;
- if ((rc = cmm_sysfs_register(&cmm_sysdev)))
+ if ((rc = register_reboot_notifier(&cmm_reboot_nb)))
goto out_oom_notifier;
+ if ((rc = cmm_sysfs_register(&cmm_sysdev)))
+ goto out_reboot_notifier;
+
if (cmm_disabled)
return rc;
@@ -415,6 +439,8 @@ static int cmm_init(void)
out_unregister_sysfs:
cmm_unregister_sysfs(&cmm_sysdev);
+out_reboot_notifier:
+ unregister_reboot_notifier(&cmm_reboot_nb);
out_oom_notifier:
unregister_oom_notifier(&cmm_oom_nb);
return rc;
@@ -431,6 +457,7 @@ static void cmm_exit(void)
if (cmm_thread_ptr)
kthread_stop(cmm_thread_ptr);
unregister_oom_notifier(&cmm_oom_nb);
+ unregister_reboot_notifier(&cmm_reboot_nb);
cmm_free_pages(loaned_pages);
cmm_unregister_sysfs(&cmm_sysdev);
}