From: Wu Fengguang <fengguang.wu@intel.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux-foundation.org>,
Mel Gorman <mel@csn.ul.ie>,
Jun'ichi Nomura <j-nomura@ce.jp.nec.com>,
linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/8] hugetlb: add allocate function for hugepage migration
Date: Wed, 25 Aug 2010 09:29:41 +0800 [thread overview]
Message-ID: <20100825012941.GD7283@localhost> (raw)
In-Reply-To: <1282694127-14609-3-git-send-email-n-horiguchi@ah.jp.nec.com>
> +static struct page *alloc_buddy_huge_page_node(struct hstate *h, int nid)
> +{
> + struct page *page = __alloc_huge_page_node(h, nid);
> if (page) {
> - if (arch_prepare_hugepage(page)) {
> - __free_pages(page, huge_page_order(h));
> + set_compound_page_dtor(page, free_huge_page);
> + spin_lock(&hugetlb_lock);
> + h->nr_huge_pages++;
> + h->nr_huge_pages_node[nid]++;
> + spin_unlock(&hugetlb_lock);
> + put_page_testzero(page);
> + }
> + return page;
> +}
One would expect the alloc_buddy_huge_page_node() to only differ with
alloc_buddy_huge_page() in the alloc_pages/alloc_pages_exact_node
calls. However you implement alloc_buddy_huge_page_node() in a quite
different way. Can the two functions be unified at all?
Thanks,
Fengguang
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next prev parent reply other threads:[~2010-08-25 1:26 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-24 23:55 [PATCH 0/8] Hugepage migration (v3) Naoya Horiguchi
2010-08-24 23:55 ` [PATCH 1/8] hugetlb: fix metadata corruption in hugetlb_fault() Naoya Horiguchi
2010-08-25 0:17 ` Wu Fengguang
2010-08-24 23:55 ` [PATCH 2/8] hugetlb: add allocate function for hugepage migration Naoya Horiguchi
2010-08-25 1:29 ` Wu Fengguang [this message]
2010-08-26 8:24 ` Naoya Horiguchi
2010-08-24 23:55 ` [PATCH 3/8] hugetlb: rename hugepage allocation functions Naoya Horiguchi
2010-08-25 1:21 ` Wu Fengguang
2010-08-26 8:25 ` Naoya Horiguchi
2010-08-24 23:55 ` [PATCH 4/8] hugetlb: redefine hugepage copy functions Naoya Horiguchi
2010-08-24 23:55 ` [PATCH 5/8] hugetlb: hugepage migration core Naoya Horiguchi
2010-08-24 23:55 ` [PATCH 6/8] HWPOISON, hugetlb: soft offlining for hugepage Naoya Horiguchi
2010-08-25 3:02 ` Wu Fengguang
2010-08-24 23:55 ` [PATCH 7/8] HWPOISON, hugetlb: fix unpoison " Naoya Horiguchi
2010-08-25 2:54 ` Wu Fengguang
2010-08-26 8:26 ` Naoya Horiguchi
2010-08-24 23:55 ` [PATCH 8/8] page-types.c: fix name of unpoison interface Naoya Horiguchi
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