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From: Yinghai Lu <yinghai@kernel.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	David Miller <davem@davemloft.net>
Subject: Re: [PATCH] memblock: Don't adjust size in memblock_find_base()
Date: Sun, 09 Jan 2011 22:59:25 -0800	[thread overview]
Message-ID: <4D2AAE4D.7030809@kernel.org> (raw)
In-Reply-To: <1294638989.17779.296.camel@pasglop>

On 01/09/2011 09:56 PM, Benjamin Herrenschmidt wrote:
> On Fri, 2011-01-07 at 12:41 -0800, Yinghai Lu wrote:
>> While applying patch to use memblock to find aperture for 64bit x86.
>> Ingo found system with 1g + force_iommu
> 
> Please run that through DaveM. I seem to remember that he relies on the
> size alignment to ensure that a lot of tiny allocations get properly
> coalesced or he runs out of regions at boot time.

should be safe, the path that DaveM need, still have those size alignment applied.

Thanks

Yinghai

  reply	other threads:[~2011-01-10  7:01 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
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 [this message]
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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