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From: "Andi Kleen" <andi@firstfloor.org>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
	Andi Kleen <andi@firstfloor.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Christoph Lameter <cl@linux-foundation.org>,
	Wu Fengguang <fengguang.wu@intel.com>,
	Jun'ichi Nomura <j-nomura@ce.jp.nec.com>,
	linux-mm <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 03/10] hugetlb: redefine hugepage copy functions
Date: Mon, 20 Sep 2010 13:15:44 +0200	[thread overview]
Message-ID: <215a2d3717d0d55026688fb59ff7bb79.squirrel@www.firstfloor.org> (raw)
In-Reply-To: <20100920110323.GI1998@csn.ul.ie>


>> +static void copy_gigantic_page(struct page *dst, struct page *src)
>> +{
>> +	int i;
>> +	struct hstate *h = page_hstate(src);
>> +	struct page *dst_base = dst;
>> +	struct page *src_base = src;
>> +
>> +	for (i = 0; i < pages_per_huge_page(h); ) {
>> +		cond_resched();
>
> Should this function not have a might_sleep() check too?

cond_resched() implies might_sleep I believe. I think
that answers the earlier question too becuse that function
calls this.

	/*
>
> Other than the removal of the might_sleep() check, this looks ok too.

Can I assume an Ack?

Thanks,
-Andi

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  reply	other threads:[~2010-09-20 11:15 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-08  1:19 [PATCH 0/10] Hugepage migration (v5) Naoya Horiguchi
2010-09-08  1:19 ` [PATCH 01/10] hugetlb: fix metadata corruption in hugetlb_fault() Naoya Horiguchi
2010-09-20 10:47   ` Mel Gorman
2010-09-22 20:41     ` Christoph Lameter
2010-09-08  1:19 ` [PATCH 02/10] hugetlb: add allocate function for hugepage migration Naoya Horiguchi
2010-09-20 10:59   ` Mel Gorman
2010-09-22  4:41     ` Naoya Horiguchi
2010-09-22  8:37       ` Mel Gorman
2010-09-22 21:05   ` Christoph Lameter
2010-09-23  8:49     ` Mel Gorman
2010-09-23 16:02       ` Christoph Lameter
2010-09-08  1:19 ` [PATCH 03/10] hugetlb: redefine hugepage copy functions Naoya Horiguchi
2010-09-20 11:03   ` Mel Gorman
2010-09-20 11:15     ` Andi Kleen [this message]
2010-09-20 11:18       ` Mel Gorman
2010-09-23 16:21   ` Christoph Lameter
2010-09-24  3:24     ` Naoya Horiguchi
2010-09-08  1:19 ` [PATCH 04/10] hugetlb: hugepage migration core Naoya Horiguchi
2010-09-20 11:10   ` Mel Gorman
2010-09-22  4:59     ` Naoya Horiguchi
2010-09-22  8:40       ` Mel Gorman
2010-09-23 16:52   ` Christoph Lameter
2010-09-24  5:58     ` Naoya Horiguchi
2010-09-08  1:19 ` [PATCH 05/10] HWPOISON, hugetlb: add free check to dequeue_hwpoison_huge_page() Naoya Horiguchi
2010-09-23 16:54   ` Christoph Lameter
2010-09-08  1:19 ` [PATCH 06/10] hugetlb: move refcounting in hugepage allocation inside hugetlb_lock Naoya Horiguchi
2010-09-23 17:12   ` Christoph Lameter
2010-09-24  6:47     ` Naoya Horiguchi
2010-09-08  1:19 ` [PATCH 07/10] HWPOSION, hugetlb: recover from free hugepage error when !MF_COUNT_INCREASED Naoya Horiguchi
2010-09-08  1:19 ` [PATCH 08/10] HWPOISON, hugetlb: soft offlining for hugepage Naoya Horiguchi
2010-09-08  1:19 ` [PATCH 09/10] HWPOISON, hugetlb: fix unpoison " Naoya Horiguchi
2010-09-08  1:19 ` [PATCH 10/10] page-types.c: fix name of unpoison interface Naoya Horiguchi
2010-09-09 10:33 ` [PATCH 0/10] Hugepage migration (v5) Andi Kleen
2010-09-09 22:56   ` Naoya Horiguchi
2010-09-20 11:14   ` Mel Gorman
  -- strict thread matches above, loose matches on Subject: below --
2010-09-03  4:37 [PATCH 0/10] Hugepage migration (v4) Naoya Horiguchi
2010-09-03  4:37 ` [PATCH 03/10] hugetlb: redefine hugepage copy functions Naoya Horiguchi

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