-mm swsusp: fix highmem handling
From: Pavel Machek (pavel_at_ucw.cz)
Date: 07/29/04
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Date: Thu, 29 Jul 2004 00:23:00 +0200 To: Patrick Mochel <mochel@digitalimplant.org>, kernel list <linux-kernel@vger.kernel.org>
Hi!
Swsusp was not restoring highmem properly. I did not find a nice place
where to restore it, through, so it went to swsusp_free.
I'm not sure why you are saving state before
save_processor_state. swsusp_arch_resume will overwrite this,
anyway. Is it to make something balanced?
Pavel
--- clean-mm/kernel/power/swsusp.c 2004-07-28 23:39:49.000000000 +0200
+++ linux-mm/kernel/power/swsusp.c 2004-07-28 23:30:33.000000000 +0200
@@ -656,6 +652,10 @@
free_suspend_pagedir_zone(zone, p);
}
free_pages(p, pagedir_order);
+#ifdef CONFIG_HIGHMEM
+ printk( "Restoring highmem\n" );
+ restore_highmem();
+#endif
}
@@ -890,7 +890,6 @@
{
int error;
local_irq_disable();
- save_processor_state();
error = swsusp_arch_resume();
restore_processor_state();
local_irq_enable();
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