| Date | Wed, 2 Dec 2009 13:47:30 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH 14/24] HWPOISON: return 0 if page is assured to be isolated |
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On Wed, Dec 02, 2009 at 11:12:45AM +0800, Wu Fengguang wrote: > Introduce hpc.page_isolated to record if page is assured to be > isolated, ie. it won't be accessed in normal kernel code paths > and therefore won't trigger another MCE event. > > __memory_failure() will now return 0 to indicate that page is > really isolated. Note that the original used action result > RECOVERED is not a reliable criterion. > > Note that we now don't bother to risk returning 0 for the > rare unpoison/truncated cases.
That's the only user of the new hwpoison_control structure right? I think I prefer for that single bit to extend the return values and keep the arguments around. structures are not nice to read.
I'll change the code.
-Andi
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