linux-kernel - Re: FW: [PATCH] powerpc/mm: Export HPAGE

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:	Wed, 4 Feb 2009 01:17:47 -0500
From:	wli@...ementarian.org
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Roland Dreier <rdreier@...co.com>,
	Eli Cohen <eli@...lanox.co.il>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org
Subject: Re: FW: [PATCH] powerpc/mm: Export HPAGE_SHIFT

On Wed, 04 Feb 2009 12:50:48 +1100 Benjamin Herrenschmidt 
>>> Do the generic hugetlbfs code provides such an API ? If not, we may need
>>> to add one.

On Wednesday 04 February 2009 16:13:29 Andrew Morton wrote:
>> I think it's something like
>> 	huge_page_size(page_hstate(page))

On Wed, Feb 04, 2009 at 04:31:38PM +1100, Nick Piggin wrote:
> That would work if you have a page, yes. If you want to query which hugepage
> sizes are available, then you probably want for_each_hstate() (which is only
> within mm/hugetlb.c at the moment, but I have no objections to exporting it
> and symbols it requires).

Exciting things have happened in mm/hugetlb.c while I was out sick.
I've got quite some catching up to do.


-- wli
--
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/