swsusp: fix highmem
Subsystems (2)
Hi!
This actually calls highmem_resume(), so swsusp has chance to work on highmem machines. It also adds comments about code flow, which is quite interesting at that point.
Please apply,
Pavel
kernel/power/swsusp.c +7 -0
@@ -854,8 +854,10 @@local_irq_disable ();save_processor_state (); error =swsusp_arch_suspend (); +/* Restore control flow magically appears here */ restore_processor_state ();local_irq_enable (); +restore_highmem ();return error; }
@@ -874,8 +876,13 @@ {int error;local_irq_disable (); +/* We'll ignore saved state, but this gets preempt count (etc) right */ save_processor_state (); error =swsusp_arch_resume (); +/* Code below is only ever reached in case of failure. Otherwise +* execution continues at place where swsusp_arch_suspend was called +*/ +BUG_ON (!error);restore_processor_state ();restore_highmem ();local_irq_enable ();
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