linux-kernel - Re: [PATCH 1/2] pagemap: add #ifdefs CONFIG_HUGETLB

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:	Fri, 19 Mar 2010 15:53:34 +0900
From:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	akpm@...ux-foundation.org, andi.kleen@...el.com,
	fengguang.wu@...el.com
Subject: Re: [PATCH 1/2] pagemap: add #ifdefs CONFIG_HUGETLB_PAGE on code
	walking hugetlb vma

On Fri, Mar 19, 2010 at 03:29:34PM +0900, KAMEZAWA Hiroyuki wrote:
> On Fri, 19 Mar 2010 15:26:35 +0900
> Naoya Horiguchi <n-horiguchi@...jp.nec.com> wrote:
> 
> > If !CONFIG_HUGETLB_PAGE, pagemap_hugetlb_range() is never called.
> > So put it (and its calling function) into #ifdef block.
> > 
> > Signed-off-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> 
> Hmm? What is benefit ? Is this broken now ?
> 

Not broken, but this is needed to avoid build error with patch 2/2 applied,
where I move huge_pte_offset() (not defined when !HUGETLB_PAGE)
into pagemap_hugetlb_range().

Thanks,
Naoya Horiguchi
--
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/