Re: [PATCH] [13/16] HWPOISON: The high level memory error handler in the VM v4

[Nick Piggin]

On Fri, May 29, 2009 at 11:35:39PM +0200, Andi Kleen wrote:
> +	mapping = page_mapping(p);
> +	if (!PageDirty(p) && !PageWriteback(p) &&
> +	    !PageAnon(p) && !PageSwapBacked(p) &&
> +	    mapping && mapping_cap_account_dirty(mapping)) {

Haven't had another good look at this yet, but if you hold the
page locked, and have done a wait_on_page_writeback, then
PageWriteback == true is a kernel bug.

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