From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: David Hildenbrand <david@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Andrew Morton <akpm@linux-foundation.org>,
Arnd Bergmann <arnd@arndb.de>, Michal Hocko <mhocko@suse.com>,
Oscar Salvador <osalvador@suse.de>,
Matthew Wilcox <willy@infradead.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Minchan Kim <minchan@kernel.org>, Jann Horn <jannh@google.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Dave Hansen <dave.hansen@intel.com>,
Hugh Dickins <hughd@google.com>, Rik van Riel <riel@surriel.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
Vlastimil Babka <vbabka@suse.cz>,
Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Matt Turner <mattst88@gmail.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Helge Deller <deller@gmx.de>, Chris Zankel <chris@zankel.net>,
Max Filippov <jcmvbkbc@gmail.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
Peter Xu <peterx@redhat.com>,
Rolf Eike Beer <eike-kernel@sf-tec.de>,
linux-alpha@vger.kernel.org, linux-mips@vger.kernel.org,
linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org,
linux-arch@vger.kernel.org, Linux API <linux-api@vger.kernel.org>
Subject: Re: [PATCH RFCv2] mm/madvise: introduce MADV_POPULATE_(READ|WRITE) to prefault/prealloc memory
Date: Mon, 15 Mar 2021 15:22:13 +0300 [thread overview]
Message-ID: <20210315122213.k52wtlbbhsw42pks@box> (raw)
In-Reply-To: <20210308164520.18323-1-david@redhat.com>
On Mon, Mar 08, 2021 at 05:45:20PM +0100, David Hildenbrand wrote:
> + case -EHWPOISON: /* Skip over any poisoned pages. */
> + start += PAGE_SIZE;
> + continue;
Why is it good approach? It's not abvious to me.
--
Kirill A. Shutemov
WARNING: multiple messages have this Message-ID (diff)
From: "Kirill A. Shutemov" <kirill-oKw7cIdHH8eLwutG50LtGA@public.gmane.org>
To: David Hildenbrand <david-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Michal Hocko <mhocko-IBi9RG/b67k@public.gmane.org>,
Oscar Salvador <osalvador-l3A5Bk7waGM@public.gmane.org>,
Matthew Wilcox <willy-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Andrea Arcangeli
<aarcange-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Minchan Kim <minchan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Jann Horn <jannh-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org>,
Dave Hansen <dave.hansen-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Hugh Dickins <hughd-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Rik van Riel <riel-ebMLmSuQjDVBDgjK7y7TUQ@public.gmane.org>,
"Michael S . Tsirkin"
<mst-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"Kirill A . Shutemov"
<kirill.shutemov-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Vlastimil Babka <vbabka-AlSwsSmVLrQ@public.gmane.org>,
Richard Henderson <rth-hL46jP5Bxq7R7s880joybQ@public.gmane.org>,
Ivan Kokshaysky
<ink-biIs/Y0ymYJMZLIVYojuPNP0rXTJTi09@public.gmane.org>,
Matt Turner <mattst88-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Thomas Bogendoerfer
<tsbogend-I1c7kopa9pzNi4+bAlmZwQ@public.gmane.org>
Subject: Re: [PATCH RFCv2] mm/madvise: introduce MADV_POPULATE_(READ|WRITE) to prefault/prealloc memory
Date: Mon, 15 Mar 2021 15:22:13 +0300 [thread overview]
Message-ID: <20210315122213.k52wtlbbhsw42pks@box> (raw)
In-Reply-To: <20210308164520.18323-1-david-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
On Mon, Mar 08, 2021 at 05:45:20PM +0100, David Hildenbrand wrote:
> + case -EHWPOISON: /* Skip over any poisoned pages. */
> + start += PAGE_SIZE;
> + continue;
Why is it good approach? It's not abvious to me.
--
Kirill A. Shutemov
next prev parent reply other threads:[~2021-03-15 12:23 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-08 16:45 [PATCH RFCv2] mm/madvise: introduce MADV_POPULATE_(READ|WRITE) to prefault/prealloc memory David Hildenbrand
2021-03-08 16:45 ` David Hildenbrand
2021-03-09 7:35 ` Rolf Eike Beer
2021-03-09 7:35 ` Rolf Eike Beer
2021-03-09 8:31 ` David Hildenbrand
2021-03-09 8:31 ` David Hildenbrand
2021-03-10 16:07 ` David Hildenbrand
2021-03-10 16:07 ` David Hildenbrand
2021-03-15 12:22 ` Kirill A. Shutemov [this message]
2021-03-15 12:22 ` Kirill A. Shutemov
2021-03-15 12:25 ` David Hildenbrand
2021-03-15 12:25 ` David Hildenbrand
2021-03-15 13:03 ` Kirill A. Shutemov
2021-03-15 13:03 ` Kirill A. Shutemov
2021-03-15 13:26 ` David Hildenbrand
2021-03-15 13:26 ` David Hildenbrand
2021-03-15 16:28 ` David Hildenbrand
2021-03-15 16:28 ` David Hildenbrand
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210315122213.k52wtlbbhsw42pks@box \
--to=kirill@shutemov.name \
--cc=James.Bottomley@HansenPartnership.com \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=arnd@arndb.de \
--cc=chris@zankel.net \
--cc=dave.hansen@intel.com \
--cc=david@redhat.com \
--cc=deller@gmx.de \
--cc=eike-kernel@sf-tec.de \
--cc=hughd@google.com \
--cc=ink@jurassic.park.msu.ru \
--cc=jannh@google.com \
--cc=jcmvbkbc@gmail.com \
--cc=jgg@ziepe.ca \
--cc=kirill.shutemov@linux.intel.com \
--cc=linux-alpha@vger.kernel.org \
--cc=linux-api@vger.kernel.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-parisc@vger.kernel.org \
--cc=linux-xtensa@linux-xtensa.org \
--cc=mattst88@gmail.com \
--cc=mhocko@suse.com \
--cc=mike.kravetz@oracle.com \
--cc=minchan@kernel.org \
--cc=mst@redhat.com \
--cc=osalvador@suse.de \
--cc=peterx@redhat.com \
--cc=riel@surriel.com \
--cc=rth@twiddle.net \
--cc=tsbogend@alpha.franken.de \
--cc=vbabka@suse.cz \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.