From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: William Irwin <wli@holomorphy.com>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/5] hugetlb: drop prev_vma in hugetlb_get_unmapped_area_topdown
Date: Thu, 08 Mar 2012 10:28:50 +0800 [thread overview]
Message-ID: <4F581962.8040403@linux.vnet.ibm.com> (raw)
In-Reply-To: <20120307140101.b0624e80.akpm@linux-foundation.org>
On 03/08/2012 06:01 AM, Andrew Morton wrote:
> On Fri, 13 Jan 2012 19:44:53 +0800
> Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> wrote:
>
>> Afte call find_vma_prev(mm, addr, &prev_vma), following condition is always
>> true:
>> !prev_vma || (addr >= prev_vma->vm_end)
>> it can be happily drop prev_vma and use find_vma instead of find_vma_prev
>
> I had to rework this patch due to 097d59106a8e4b ("vm: avoid using
> find_vma_prev() unnecessarily") in mainline. Can you please check my
> handiwork?
>
It looks good to me, thanks Andrew!
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next prev parent reply other threads:[~2012-03-08 2:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-13 11:44 [PATCH 1/5] hugetlbfs: fix hugetlb_get_unmapped_area Xiao Guangrong
2012-01-13 11:44 ` [PATCH 2/5] hugetlb: drop prev_vma in hugetlb_get_unmapped_area_topdown Xiao Guangrong
2012-03-07 22:01 ` Andrew Morton
2012-03-08 2:28 ` Xiao Guangrong [this message]
2012-01-13 11:45 ` [PATCH 3/5] hugetlb: try to search again if it is really needed Xiao Guangrong
2012-02-01 22:43 ` Andrew Morton
2012-02-02 5:19 ` Xiao Guangrong
2012-01-13 11:46 ` [PATCH 4/5] mm: do not reset cached_hole_size when vma is unmapped Xiao Guangrong
2012-01-13 11:47 ` [PATCH 5/5] mm: search from free_area_cache for the bigger size Xiao Guangrong
2012-02-01 22:44 ` Andrew Morton
2012-02-02 7:07 ` Xiao Guangrong
2012-01-31 6:05 ` [PATCH 1/5] hugetlbfs: fix hugetlb_get_unmapped_area Xiao Guangrong
2012-02-01 22:43 ` Andrew Morton
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