linux-kernel - Re: [PATCH v2] arch/tile: support multiple huge page sizes dynamically

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Message-ID: <CAJd=RBDEAMgDviSwugt7dHKPGXCCF5jQSDtHdXvt5VnSBmK3bA@mail.gmail.com>
Date:	Sat, 31 Mar 2012 22:03:53 +0800
From:	Hillf Danton <dhillf@...il.com>
To:	Chris Metcalf <cmetcalf@...era.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.cz>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Hugh Dickins <hughd@...gle.com>
Subject: Re: [PATCH v2] arch/tile: support multiple huge page sizes dynamically

On Sat, Mar 31, 2012 at 3:37 AM, Chris Metcalf <cmetcalf@...era.com> wrote:
>
> Signed-off-by: Chris Metcalf <cmetcalf@...era.com>
> ---
> This change incorporates Hillf Danton's suggestion to not use a
> macro for arch_make_huge_pte() but instead use the standard hugetlb
> model of providing an empty inline function for every other platform.
>
Oh my god.

First my bad, no clear comment provided:(

What I meant actually is to add something in

include/asm-generic/pgtable.h

#ifndef __HAVE_ARCH_FOO_BAR
the_default_foo_bar()
{
}
#endif

or it is too hard to add default foo_bar for each arch involved.

Say sorry again
Hillf
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