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From: "H. Peter Anvin" <hpa@zytor.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/6] x86: Change get_max_mapped() to inline
Date: Wed, 29 Dec 2010 15:42:52 -0800 [thread overview]
Message-ID: <4D1BC77C.3040205@zytor.com> (raw)
In-Reply-To: <AANLkTi=NU1UM3N6bbPSqqS+7UbvTY6YDNyn2s4tKURMY@mail.gmail.com>
On 12/29/2010 03:37 PM, Yinghai Lu wrote:
>
> or could just use unsigned long instead.
>
> on 32bit it will be under 4g
> on 64bit unsigned long is 64bit already.
>
This is true, although it seems fragile -- the whole terminology and the
differences between 32 and 64 bits are just a huge headache.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2010-12-29 23:43 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-18 0:58 [PATCH 0/3] memblock related top down Yinghai Lu
2010-12-28 0:47 ` [PATCH 0/6] memblock related further cleanup for x86 Yinghai Lu
[not found] ` <4D19320B.7030007@kernel.org>
2010-12-28 0:47 ` [PATCH 1/6] x86: Change get_max_mapped() to inline Yinghai Lu
2010-12-29 23:05 ` H. Peter Anvin
2010-12-29 23:30 ` Yinghai Lu
2010-12-29 23:37 ` Yinghai Lu
2010-12-29 23:42 ` H. Peter Anvin [this message]
2010-12-29 23:45 ` [PATCH -v2 " Yinghai Lu
2011-02-16 8:50 ` [tip:x86/mm] " tip-bot for Yinghai Lu
2010-12-28 0:48 ` [PATCH 2/6] x86, 64bit, numa: Allocate memnodemap under max_pfn_mapped Yinghai Lu
2011-02-16 8:50 ` [tip:x86/mm] x86-64, " tip-bot for Yinghai Lu
2010-12-28 0:48 ` [PATCH 3/6] x86, 64bit, numa: Put pgtable to local node memory Yinghai Lu
2010-12-29 23:46 ` [PATCH -v2 " Yinghai Lu
2010-12-29 23:50 ` H. Peter Anvin
2010-12-30 0:11 ` Yinghai Lu
2010-12-30 0:39 ` David Rientjes
2010-12-30 0:58 ` H. Peter Anvin
2010-12-30 1:07 ` David Rientjes
2010-12-30 1:53 ` H. Peter Anvin
2010-12-30 9:06 ` Ingo Molnar
2010-12-30 10:28 ` [boot crash] " Ingo Molnar
2010-12-30 10:30 ` Ingo Molnar
2010-12-30 12:01 ` [build failure] " Ingo Molnar
2010-12-30 18:53 ` David Rientjes
2010-12-30 18:54 ` [patch] x86, numa: Fix CONFIG_DEBUG_PER_CPU_MAPS without NUMA emulation David Rientjes
2011-01-06 20:39 ` David Rientjes
2011-01-06 21:25 ` Yinghai Lu
2011-01-06 23:58 ` David Rientjes
2011-01-07 15:32 ` [tip:x86/numa] " tip-bot for David Rientjes
2010-12-30 21:18 ` [boot crash] Re: [PATCH -v2 3/6] x86, 64bit, numa: Put pgtable to local node memory Yinghai Lu
[not found] ` <AANLkTimpyRXS9dNFATh4GqtA46uynutAvK7Qb5S7WPFO@mail.gmail.com>
[not found] ` <20110105134434.GA22816@elte.hu>
2011-01-05 21:24 ` Yinghai Lu
2011-01-07 20:41 ` [PATCH] memblock: Don't adjust size in memblock_find_base() Yinghai Lu
2011-01-10 5:56 ` Benjamin Herrenschmidt
2011-01-10 6:59 ` Yinghai Lu
2011-01-12 1:35 ` Yinghai Lu
2011-01-29 0:37 ` [PATCH - resend] " Yinghai Lu
2011-02-03 20:25 ` Andrew Morton
2011-02-03 20:37 ` Yinghai Lu
2011-02-16 8:51 ` [tip:x86/mm] x86-64, numa: Put pgtable to local node memory tip-bot for Yinghai Lu
2010-12-28 0:48 ` [PATCH 4/6] x86: Use early pre-allocated page table buffer top-down Yinghai Lu
2010-12-28 0:48 ` [PATCH 5/6] x86, 64bit: Move out cleanup higmap [_brk_end, _end) out of init_memory_mapping() Yinghai Lu
2011-02-16 8:51 ` [tip:x86/mm] x86-64: " tip-bot for Yinghai Lu
2010-12-28 0:48 ` [PATCH 6/6] x86: Rename e820_table_* to pgt_buf_* Yinghai Lu
2010-12-30 21:54 ` [PATCH -v2 " Yinghai Lu
2010-12-28 20:21 ` [PATCH 0/3] memblock related top down H. Peter Anvin
2010-12-28 21:36 ` Yinghai Lu
2010-12-28 22:09 ` H. Peter Anvin
2010-12-28 22:25 ` Yinghai Lu
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