From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: ehabkost@redhat.com, x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Make PFN_PHYS return a properly-formed physical address
Date: Thu, 07 Aug 2008 17:16:50 -0700 [thread overview]
Message-ID: <489B9072.8020107@goop.org> (raw)
In-Reply-To: <20080807170617.79ca3ce7.akpm@linux-foundation.org>
Andrew Morton wrote:
> On Thu, 07 Aug 2008 16:45:12 -0700
> Jeremy Fitzhardinge <jeremy@goop.org> wrote:
>
>
>> Shall we go with just using plain u64 (or unsigned long long if we want
>> a really consistent type) in the meantime, and then waffle about
>> introducing a new type everywhere?
>>
>> Or we could redefine resource_size_t to be big enough to refer to any
>> resource, including all memory. It's close to being that anyway.
>>
>
> We could do
>
> typedef resource_size_t jeremy_thing_t;
>
> for now and worry about it later if the need arises, perhaps.
>
OK, I'll revise and repost.
Hm, curiously, the two arches which care most about this issue (x86 and
powerpc) already have phys_addr_t...
I guess we don't want CONFIG_ARCH_HAVE_PHYS_ADDR_T...
J
next prev parent reply other threads:[~2008-08-08 0:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <489B6B40.5050705@goop.org>
[not found] ` <20080807145648.ab3dfa90.akpm@linux-foundation.org>
2008-08-07 22:10 ` [PATCH] Make PFN_PHYS return a properly-formed physical address Jeremy Fitzhardinge
2008-08-07 23:27 ` Andrew Morton
2008-08-07 23:45 ` Jeremy Fitzhardinge
2008-08-08 0:06 ` Andrew Morton
2008-08-08 0:16 ` Jeremy Fitzhardinge [this message]
2008-08-11 19:38 ` [PATCH 1/2] add phys_addr_t for holding physical addresses Jeremy Fitzhardinge
2008-08-11 21:58 ` Benjamin Herrenschmidt
2008-08-11 22:15 ` Jeremy Fitzhardinge
2008-08-11 22:32 ` Benjamin Herrenschmidt
2008-08-11 22:50 ` Jeremy Fitzhardinge
2008-08-11 22:53 ` Benjamin Herrenschmidt
2008-08-11 23:02 ` Jeremy Fitzhardinge
2008-08-11 23:17 ` Benjamin Herrenschmidt
2008-08-11 19:38 ` [PATCH 2/2] make PFN_PHYS explicitly return phys_addr_t Jeremy Fitzhardinge
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