linux-kernel - Re: [rfc] increase struct page size?!

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20070522095836.c01263ba.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Tue, 22 May 2007 09:58:36 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Christoph Lameter <clameter@....com>
Cc:	ak@...e.de, dada1@...mosbay.com, wli@...omorphy.com,
	npiggin@...e.de, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-arch@...r.kernel.org
Subject: Re: [rfc] increase struct page size?!

On Mon, 21 May 2007 17:38:58 -0700 (PDT)
Christoph Lameter <clameter@....com> wrote:

> On Tue, 22 May 2007, KAMEZAWA Hiroyuki wrote:
> 
> > For i386(32bit arch), there is not enough space for vmemmap.
> 
> I thought 32 bit would use flatmem? Is memory really sparse on 32 
> bit? Likely difficult due to lack of address space?
> 

Of course, i386 can use flatmem.

I am just afraid that memory hotplug is just for sprasemem.
But I also think we can add memory-hotplug for flatmem if necessary.
(I myself have no plan now. I wonder memory power-save-mode may be supported
 by chipsets.)

-Kame

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/