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Message-ID: <1379369397-ld8lbcn-mutt-n-horiguchi@ah.jp.nec.com> Date: Mon, 16 Sep 2013 18:09:57 -0400 From: Naoya Horiguchi <n-horiguchi@...jp.nec.com> To: "Luck, Tony" <tony.luck@...el.com> Cc: Andi Kleen <andi@...stfloor.org>, Wanpeng Li <liwanp@...ux.vnet.ibm.com>, Andrew Morton <akpm@...ux-foundation.org>, "Wu, Fengguang" <fengguang.wu@...el.com>, "gong.chen@...ux.intel.com" <gong.chen@...ux.intel.com>, "linux-mm@...ck.org" <linux-mm@...ck.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [RESEND PATCH v2 1/4] mm/hwpoison: fix traverse hugetlbfs page to avoid printk flood On Mon, Sep 16, 2013 at 09:50:06PM +0000, Luck, Tony wrote: > This is good - but the real solution is to stop poisoning entire huge pages ... they should > be broken into 4K pages and just one 4K page should be poisoned. > > Naoya Horiguchi: I thought that you were looking at this problem some months ago. Any progress? Sorry, I have no meaningful progress on this. Splitting hugepages is not a trivial operation, and introduce more complexity on hugetlbfs code. I don't hit on any usecase of it rather than memory failure, so I'm not sure that it's worth doing now. Thanks, Naoya Horiguchi -- 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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