Re: [PATCH v1 02/11] mm: thp: introduce CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION

Path	csiph.com!weretis.net!feeder4.news.weretis.net!news.mixmin.net!aioe.org!bofh.it!news.nic.it!robomod
From	Balbir Singh <bsingharora@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v1 02/11] mm: thp: introduce CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
Date	Mon, 07 Mar 2016 02:00:01 +0100
Message-ID	<r9RGF-41Z-5@gated-at.bofh.it> (permalink)
References	<r8wbg-3Mh-5@gated-at.bofh.it> <r8wbh-3Mh-31@gated-at.bofh.it>
X-Original-To	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Dkim-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:reply-to:references:mime-version :content-disposition:in-reply-to:user-agent; bh=kXuf82gscdjQtr8Hgg+kKZ82bSFtqX0Gu5bil2jekKE=; b=02Tk0ytr+kyPckjvNJl8t9TNXvKFcERpuTO1NYMagi+Ms/2RDfmDpsJngreQYpYJYx IIgFOBQhNsIrBXy0K0CTHaAbRuvhef2H61TmrCllzz+eLjGkkxuK3Zc+OUMEgGns77Vp CikgBTalSd/+kxYZphXsQSCkaUTTWwgimOW/7GQovZiyQusW09+jFRFDGwcj/DPiywGE xO56MNpjOSqOHIHmTjfG4SzHydpPv7+J6TUdy3JGWayYHmMdnuzLljcWxmFYlRRUeinH WRZOmTNXRGyM6YrKh6lPQlISmcChKgY6hKAKpRl3MgxzM5Ei46hsbWxQq14TX8vQdZGk RuTg==
X-Google-Dkim-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:reply-to :references:mime-version:content-disposition:in-reply-to:user-agent; bh=kXuf82gscdjQtr8Hgg+kKZ82bSFtqX0Gu5bil2jekKE=; b=hZ4Bs2qHojQcn8VX8qud3I6O6YrmJesZabdPsRunI6yG8HL3vF596JC9GsLeSvlWL1 tkwifzEMTc0OVvGn5l0F228elnmE9EfOqwdYzeTNAOADofiZfMCNgweSPG8zyk/Zk8k4 XY4ofN7gvq1kCjV7m+ZoPwyffvXo+vFD/9xZRZ7tZHsPZYNYPaN1Y+t84rXb9gO/jOGM 4KfxdT8cj74u7N4Fw9gm3pYqg/pNc9ZhFXKiNiJhA9FpJg94rP/g3UpX4PufqGpeemQp 5ImxlNtECZDNil8VbXFqHtoHwx2sX2/wIqcJsSsv1YYmhmx8Gj1ln7NXQOPwkySpjhKK dh9A==
X-Gm-Message-State	AD7BkJLiBgBtOZrOuBGQbooZS+afD2+UtlTMYA4rA/lZmyRCu3igAJX86gSDDo8mEj8Q6g==
X-Received	by 10.98.67.195 with SMTP id l64mr29401723pfi.111.1457312293669; Sun, 06 Mar 2016 16:58:13 -0800 (PST)
Reply-To	bsingharora@gmail.com
MIME-Version	1.0
Content-Type	text/plain; charset=us-ascii
Content-Disposition	inline
User-Agent	Mutt/1.5.24 (2015-08-30)
Sender	robomod@news.nic.it
List-ID	<linux-kernel.vger.kernel.org>
X-Mailing-List	linux-kernel@vger.kernel.org
Approved	robomod@news.nic.it
Lines	9
Organization	linux.* mail to news gateway
X-Original-Cc	linux-mm@kvack.org, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>, Hugh Dickins <hughd@google.com>, Andrew Morton <akpm@linux-foundation.org>, Dave Hansen <dave.hansen@intel.com>, Andrea Arcangeli <aarcange@redhat.com>, Mel Gorman <mgorman@techsingularity.net>, Michal Hocko <mhocko@kernel.org>, Vlastimil Babka <vbabka@suse.cz>, Pavel Emelyanov <xemul@parallels.com>, linux-kernel@vger.kernel.org, Naoya Horiguchi <nao.horiguchi@gmail.com>
X-Original-Date	Mon, 7 Mar 2016 11:58:04 +1100
X-Original-Message-ID	<20160307005804.GA25148@cotter.ozlabs.ibm.com>
X-Original-References	<1456990918-30906-1-git-send-email-n-horiguchi@ah.jp.nec.com> <1456990918-30906-3-git-send-email-n-horiguchi@ah.jp.nec.com>
X-Original-Sender	linux-kernel-owner@vger.kernel.org
Xref	csiph.com linux.kernel:1351234

Show key headers only | View raw

On Thu, Mar 03, 2016 at 04:41:49PM +0900, Naoya Horiguchi wrote:
> Introduces CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION to limit thp migration
> functionality to x86_64, which should be safer at the first step.
>

The changelog is not helpful. Could you please describe what is
architecture specific in these changes? What do other arches need to do
to port these changes over?

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Re: [PATCH v1 02/11] mm: thp: introduce  CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION Balbir Singh <bsingharora@gmail.com> - 2016-03-07 02:00 +0100
  Re: [PATCH v1 02/11] mm: thp: introduce  CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> - 2016-03-07 07:40 +0100

csiph-web