linux-kernel - Re: [PATCH v3 4/5] mm/memory-failure: move hwpoison

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Date: Wed, 22 May 2024 22:50:33 +0200
From: Oscar Salvador <osalvador@...e.de>
To: Jane Chu <jane.chu@...cle.com>
Cc: linmiaohe@...wei.com, nao.horiguchi@...il.com,
	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 4/5] mm/memory-failure: move hwpoison_filter() higher
 up

On Tue, May 21, 2024 at 05:54:28PM -0600, Jane Chu wrote:
> Move hwpoison_filter() higher up as there is no need to spend a lot
> cycles only to find out later that the page is supposed to be skipped
> from hwpoison handling.
> 
> Signed-off-by: Jane Chu <jane.chu@...cle.com>

Reviewed-by: Oscar Salvador <osalvador@...e.de>

I was about to raise the point that prior to this change hwpoison_filter()
would be called after shake_folio(), which should turn some pages LRU, but
I see that shake_page() is also called in hwpoison-inject code.

 

-- 
Oscar Salvador
SUSE Labs