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Date: Fri, 02 May 2008 19:45:55 +0200 From: Andi Kleen <andi@...stfloor.org> To: Russ Anderson <rja@....com> Cc: linux-kernel@...r.kernel.org, linux-ia64@...r.kernel.org, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org>, Tony Luck <tony.luck@...el.com>, Christoph Lameter <clameter@....com> Subject: Re: [PATCH 3/3] ia64: Call migration code on correctable errors v2 Russ Anderson <rja@....com> writes: > Migrate data off pages with correctable memory errors. This patch is the > ia64 specific piece. It connects the CPE handler to the page migration > code. It is implemented as a kernel loadable module, similar to the mca > recovery code (mca_recovery.ko). This allows the feature to be turned off > by uninstalling the module. Creates /proc/badram to display bad page > information and free bad pages. How do you know what pages have excessive errors? And how is excessive defined? Surely you don't keep a per page error count? It's unclear from your patch. Anyways I don't think this should be ia64 specific, but generic code. I also have my doubts about making such small code subsystems modules. Modules always get rounded to pages so it ultimatively just wastes memory. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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