From: Yinghai Lu <yinghai.lu@oracle.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
David Miller <davem@davemloft.net>,
Linus Torvalds <torvalds@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH 17/35] x86, lmb: Add x86 version of __lmb_find_area()
Date: Fri, 14 May 2010 09:41:52 -0700 [thread overview]
Message-ID: <4BED7D50.5070004@oracle.com> (raw)
In-Reply-To: <1273825884.21352.603.camel@pasglop>
On 05/14/2010 01:31 AM, Benjamin Herrenschmidt wrote:
> On Thu, 2010-05-13 at 23:47 -0700, Yinghai wrote:
>
>
>> for safe, and there is any problem with top to down allocation, we can
>> ask user to check if low to high works...
>>
>> not just make user to get broken kernel.
>>
> Hrm. That's a bit gross. But ok, I don't care that much as long as your
> x86 variant doesn't differ in semantics with the core lmb one and I'll
> let Peter and/or Thomas to scream at you if they think it's gross
> (hint: the code is)
>
>
>
those bits are line by line translation from current early_res code, and
have been used for a while.
so should be good as a fallback.
YH
next prev parent reply other threads:[~2010-05-14 16:37 UTC|newest]
Thread overview: 125+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-14 0:19 [PATCH -v16 00/35] Use lmb with x86 Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 01/35] lmb: prepare x86 to use lmb to replace early_res Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 2:12 ` Benjamin Herrenschmidt
2010-05-14 2:12 ` Benjamin Herrenschmidt
2010-05-14 6:19 ` Yinghai
2010-05-14 8:09 ` Benjamin Herrenschmidt
2010-05-14 16:23 ` Yinghai Lu
2010-05-17 18:03 ` H. Peter Anvin
2010-05-17 22:02 ` Benjamin Herrenschmidt
2010-05-17 22:12 ` H. Peter Anvin
2010-05-14 7:03 ` Yinghai
2010-05-14 0:19 ` [PATCH 02/35] lmb: Prepare to include linux/lmb.h in core file Yinghai Lu
2010-05-14 0:19 ` [PATCH 03/35] lmb: Add ARCH_DISCARD_LMB to put lmb code to .init Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 2:14 ` Benjamin Herrenschmidt
2010-05-14 6:21 ` Yinghai
2010-05-14 8:10 ` Benjamin Herrenschmidt
2010-05-14 8:10 ` Benjamin Herrenschmidt
2010-05-14 16:24 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 04/35] lmb: Add lmb_find_area() Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 2:16 ` Benjamin Herrenschmidt
2010-05-14 6:25 ` Yinghai
2010-05-14 8:12 ` Benjamin Herrenschmidt
2010-05-14 16:28 ` Yinghai Lu
2010-05-14 16:28 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 05/35] x86, lmb: Add lmb_find_area_size() Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 2:20 ` Benjamin Herrenschmidt
2010-05-14 6:28 ` Yinghai
2010-05-14 8:13 ` Benjamin Herrenschmidt
2010-05-14 16:33 ` Yinghai Lu
2010-05-14 22:20 ` Benjamin Herrenschmidt
2010-05-14 22:20 ` Benjamin Herrenschmidt
2010-05-14 0:19 ` [PATCH 06/35] bootmem, x86: Add weak version of reserve_bootmem_generic Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 07/35] x86, lmb: Add lmb_to_bootmem() Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 08/35] x86,lmb: Add lmb_reserve_area/lmb_free_area Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 2:26 ` Benjamin Herrenschmidt
2010-05-14 6:30 ` Yinghai
2010-05-14 8:15 ` Benjamin Herrenschmidt
2010-05-14 0:19 ` [PATCH 09/35] x86, lmb: Add get_free_all_memory_range() Yinghai Lu
2010-05-14 0:19 ` [PATCH 10/35] x86, lmb: Add lmb_register_active_regions() and lmb_hole_size() Yinghai Lu
2010-05-14 0:19 ` [PATCH 11/35] lmb: Add find_memory_core_early() Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 2:29 ` Benjamin Herrenschmidt
2010-05-14 6:34 ` Yinghai
2010-05-14 8:16 ` Benjamin Herrenschmidt
2010-05-14 2:30 ` Benjamin Herrenschmidt
2010-05-14 6:39 ` Yinghai
2010-05-14 8:19 ` Benjamin Herrenschmidt
2010-05-14 8:30 ` David Miller
2010-05-14 16:44 ` Yinghai Lu
2010-05-14 22:34 ` Benjamin Herrenschmidt
2010-05-14 22:34 ` Benjamin Herrenschmidt
2010-05-14 23:51 ` lmb type features Yinghai
2010-05-17 0:46 ` Benjamin Herrenschmidt
2010-05-17 6:06 ` Yinghai
2010-05-14 0:19 ` [PATCH 12/35] x86, lmb: Add lmb_find_area_node() Yinghai Lu
2010-05-14 0:19 ` [PATCH 13/35] x86, lmb: Add lmb_free_memory_size() Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 2:31 ` Benjamin Herrenschmidt
2010-05-14 6:42 ` Yinghai
2010-05-14 8:21 ` Benjamin Herrenschmidt
2010-05-14 16:37 ` Yinghai Lu
2010-05-14 22:20 ` Benjamin Herrenschmidt
2010-05-14 0:19 ` [PATCH 14/35] x86, lmb: Add lmb_memory_size() Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 2:31 ` Benjamin Herrenschmidt
2010-05-14 0:19 ` [PATCH 15/35] x86, lmb: Add lmb_reserve_area_overlap_ok() Yinghai Lu
2010-05-14 2:32 ` Benjamin Herrenschmidt
2010-05-14 6:44 ` Yinghai
2010-05-14 8:30 ` Benjamin Herrenschmidt
2010-05-14 16:40 ` Yinghai Lu
2010-05-14 22:30 ` Benjamin Herrenschmidt
2010-05-15 7:32 ` Ingo Molnar
2010-05-15 7:32 ` Ingo Molnar
2010-05-17 0:39 ` Benjamin Herrenschmidt
2010-05-17 6:11 ` Yinghai
2010-05-17 6:40 ` H. Peter Anvin
2010-05-17 7:24 ` Benjamin Herrenschmidt
2010-05-17 17:18 ` Yinghai
2010-05-17 18:53 ` H. Peter Anvin
2010-05-17 22:01 ` Benjamin Herrenschmidt
2010-05-17 22:01 ` Benjamin Herrenschmidt
2010-05-17 22:19 ` Yinghai
2010-05-17 22:26 ` H. Peter Anvin
2010-05-17 22:26 ` H. Peter Anvin
2010-05-14 0:19 ` [PATCH 16/35] x86, lmb: Use lmb_debug to control debug message print out Yinghai Lu
2010-05-14 0:19 ` [PATCH 17/35] x86, lmb: Add x86 version of __lmb_find_area() Yinghai Lu
2010-05-14 2:34 ` Benjamin Herrenschmidt
2010-05-14 6:47 ` Yinghai
2010-05-14 8:31 ` Benjamin Herrenschmidt
2010-05-14 16:41 ` Yinghai Lu [this message]
2010-05-14 0:19 ` [PATCH 18/35] x86: Use lmb to replace early_res Yinghai Lu
2010-05-14 0:19 ` [PATCH 19/35] x86: Replace e820_/_early string with lmb_ Yinghai Lu
2010-05-14 0:19 ` [PATCH 20/35] x86: Remove not used early_res code Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 21/35] x86, lmb: Use lmb_memory_size()/lmb_free_memory_size() to get correct dma_reserve Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 22/35] bootmem: Add nobootmem.c to reduce the #ifdef Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 23/35] mm: move contig_page_data define to bootmem.c/nobootmem.c Yinghai Lu
2010-05-14 0:19 ` [PATCH 24/35] lmb: Move __alloc_memory_core_early() to nobootmem.c Yinghai Lu
2010-05-14 2:36 ` Benjamin Herrenschmidt
2010-05-14 0:19 ` [PATCH 25/35] x86: Have nobootmem version setup_bootmem_allocator() Yinghai Lu
2010-05-14 0:19 ` [PATCH 26/35] x86: Put 64 bit numa node memmap above 16M Yinghai Lu
2010-05-14 0:19 ` [PATCH 27/35] swiotlb: Use page alignment for early buffer allocation Yinghai Lu
2010-05-14 0:19 ` [PATCH 28/35] x86: Add sanitize_e820_map() Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 29/35] x86: Change e820_saved to __initdata Yinghai Lu
2010-05-14 0:19 ` [PATCH 30/35] x86: Align e820 ram range to page Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 31/35] x86: Use wake_system_ram_range() instead of e820_any_mapped() in agp path Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 32/35] x86: Add get_centaur_ram_top() Yinghai Lu
2010-05-14 0:19 ` [PATCH 33/35] x86: Change e820_any_mapped() to __init Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
2010-05-14 0:19 ` [PATCH 34/35] x86: Use walk_system_ream_range() instead of referring e820.map directly for tboot Yinghai Lu
2010-05-14 0:19 ` [PATCH 35/35] x86: make e820 to be __initdata Yinghai Lu
2010-05-14 0:19 ` Yinghai Lu
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