linux-kernel - Re: [RFC v3 1/4] mm/hwpoison: remove MF_MSG_SLAB from action_page

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Message-ID: <Y62TYzkpiDxJ7yVZ@hyeyoo>
Date:   Thu, 29 Dec 2022 22:17:23 +0900
From:   Hyeonggon Yoo <42.hyeyoo@...il.com>
To:     HORIGUCHI NAOYA(堀口　直也) 
        <naoya.horiguchi@....com>
Cc:     Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Joe Perches <joe@...ches.com>, Petr Mladek <pmladek@...e.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Matthew WilCox <willy@...radead.org>,
        David Hildenbrand <david@...hat.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC v3 1/4] mm/hwpoison: remove MF_MSG_SLAB from
 action_page_types

On Tue, Dec 20, 2022 at 11:53:11PM +0000, HORIGUCHI NAOYA(堀口 直也) wrote:
> On Sun, Dec 18, 2022 at 07:18:58PM +0900, Hyeonggon Yoo wrote:
> > As suggested by Naoya [1], identify_page_state() is never
> > called when handling memory error on a slab page.
> > 
> > Clean this up before moving PG_slab flag to page_type in later patch.
> > 
> > [1] https://lore.kernel.org/linux-mm/Y2s+dnBsHAJu19ob@hyeyoo/#r
> > 
> > Suggested-by: Naoya Horiguchi <naoya.horiguchi@....com>
> > Signed-off-by: Hyeonggon Yoo <42.hyeyoo@...il.com>
> 
> Thank you for the patch,
> I think there're a few other places to remove under include/.
> 
>   $ grep -inr MF_MSG_SLA include
>   include/ras/ras_event.h:359:    EM ( MF_MSG_SLAB, "kernel slab page" )                          \
>   include/linux/mm.h:3502:        MF_MSG_SLAB,

> 
> , so could you update them together?

Oh, missed this. Will do in next version.

-- 
Thanks,
Hyeonggon