linux-kernel - Re: [patch] mm: pageable memory allocator (for DRM-GEM?)

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]

Date:	Tue, 23 Sep 2008 08:18:43 -0500
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Jerome Glisse <glisse@...edesktop.org>
CC:	Thomas Hellström <thomas@...gstengraphics.com>,
	Nick Piggin <npiggin@...e.de>, keith.packard@...el.com,
	eric@...olt.net, hugh@...itas.com, hch@...radead.org,
	airlied@...ux.ie, jbarnes@...tuousgeek.org,
	dri-devel@...ts.sourceforge.net,
	Linux Memory Management List <linux-mm@...ck.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [patch] mm: pageable memory allocator (for DRM-GEM?)

Jerome Glisse wrote:
> 
> Also what about a uncached page allocator ? As some drivers might need
> them, there is no number but i think their was some concern that changing
> PAT too often might be costly and that we would better have a poll of
> such pages.

IA64 has an uncached allocator. See arch/ia64/include/asm/incached.h and
arch/ia64/kernel/uncached.c. Probably not exactly what you want but its a
starting point.


--
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/