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From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Hirokazu Takahashi <taka@valinux.co.jp>
Cc: linux-kernel@vger.kernel.org, lhms-devel@lists.sourceforge.net
Subject: Re: [Lhms-devel] [patch 4/6] memory hotplug for hugetlbpages
Date: Tue, 6 Apr 2004 14:02:24 +0100	[thread overview]
Message-ID: <20040406140224.B23527@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20040406.214801.127823252.taka@valinux.co.jp>; from taka@valinux.co.jp on Tue, Apr 06, 2004 at 09:48:01PM +0900

On Tue, Apr 06, 2004 at 09:48:01PM +0900, Hirokazu Takahashi wrote:
> @@ -1667,6 +1670,7 @@ int handle_mm_fault(struct mm_struct *mm
>  pmd_t fastcall *__pmd_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
>  {
>  	pmd_t *new;
> +	struct page *page;
>  
>  	spin_unlock(&mm->page_table_lock);
>  	new = pmd_alloc_one(mm, address);
> @@ -1682,6 +1686,8 @@ pmd_t fastcall *__pmd_alloc(struct mm_st
>  		pmd_free(new);
>  		goto out;
>  	}
> +	page = virt_to_page(new);
> +	pmd_add_rmap(new, mm, address);

Doesn't this want to be:

	pmd_add_rmap(page, mm, address);

?

And how about collapsing this down to:

	pmd_add_rmap(virt_to_page(new), mm, address);

?

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 PCMCIA      - http://pcmcia.arm.linux.org.uk/
                 2.6 Serial core

  reply	other threads:[~2004-04-06 13:02 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-06 10:53 [patch 0/3] memory hotplug prototype IWAMOTO Toshihiro
2004-04-06 10:56 ` [patch 1/3] " IWAMOTO Toshihiro
2004-04-06 17:12   ` Dave Hansen
2004-04-07  6:10     ` IWAMOTO Toshihiro
2004-04-06 10:58 ` [patch 2/3] " IWAMOTO Toshihiro
2004-04-06 10:59 ` [patch 3/3] " IWAMOTO Toshihiro
2004-04-06 11:47 ` [patch 0/3] " IWAMOTO Toshihiro
2004-04-06 12:41 ` [patch 0/6] memory hotplug for hugetlbpages Hirokazu Takahashi
2004-04-06 12:44   ` [patch 1/6] " Hirokazu Takahashi
2004-04-06 12:45   ` [patch 2/6] " Hirokazu Takahashi
2004-04-06 12:45   ` [patch 3/6] " Hirokazu Takahashi
2004-04-06 12:48   ` [Lhms-devel] [patch 4/6] " Hirokazu Takahashi
2004-04-06 13:02     ` Russell King [this message]
2004-04-06 13:11       ` Hirokazu Takahashi
2004-04-06 12:49   ` [patch 5/6] " Hirokazu Takahashi
2004-04-06 12:50   ` [patch 6/6] " Hirokazu Takahashi
2004-04-07 18:12 ` [patch 0/3] memory hotplug prototype Martin J. Bligh
2004-04-07 18:59   ` [Lhms-devel] " Mike Kravetz
2004-04-07 19:20     ` Dave Hansen
2004-04-07 22:33     ` Martin J. Bligh
2004-04-08 12:41       ` Hirokazu Takahashi
2004-04-08  9:16   ` IWAMOTO Toshihiro
2004-04-08 10:19     ` [Lhms-devel] " IWAMOTO Toshihiro
2004-04-08 12:10       ` Hirokazu Takahashi
2004-04-08 16:56     ` Martin J. Bligh
2004-04-09  2:37       ` IWAMOTO Toshihiro
2004-04-09  5:18         ` Martin J. Bligh

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