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From: Matthew Wilcox <willy@infradead.org>
To: Yang Shi <yang.shi@linux.alibaba.com>
Cc: mhocko@kernel.org, ldufour@linux.vnet.ibm.com, vbabka@suse.cz,
	akpm@linux-foundation.org, dave.hansen@intel.com,
	oleg@redhat.com, srikar@linux.vnet.ibm.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC v9 PATCH 2/4] mm: mmap: zap pages with read mmap_sem in munmap
Date: Tue, 11 Sep 2018 14:16:45 -0700	[thread overview]
Message-ID: <20180911211645.GA12159@bombadil.infradead.org> (raw)
In-Reply-To: <1536699493-69195-3-git-send-email-yang.shi@linux.alibaba.com>

On Wed, Sep 12, 2018 at 04:58:11AM +0800, Yang Shi wrote:
>  mm/mmap.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--

I really think you're going about this the wrong way by duplicating
vm_munmap().

  reply	other threads:[~2018-09-11 21:16 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-11 20:58 [RFC v9 PATCH 0/4] mm: zap pages with read mmap_sem in munmap for large mapping Yang Shi
2018-09-11 20:58 ` [RFC v9 PATCH 1/4] mm: refactor do_munmap() to extract the common part Yang Shi
2018-09-11 20:58 ` [RFC v9 PATCH 2/4] mm: mmap: zap pages with read mmap_sem in munmap Yang Shi
2018-09-11 21:16   ` Matthew Wilcox [this message]
2018-09-11 23:35     ` Yang Shi
2018-09-12  2:29       ` Matthew Wilcox
2018-09-12  9:11         ` Michal Hocko
2018-09-12 17:15           ` Yang Shi
2018-09-11 20:58 ` [RFC v9 PATCH 3/4] mm: unmap VM_HUGETLB mappings with optimized path Yang Shi
2018-09-11 20:58 ` [RFC v9 PATCH 4/4] mm: unmap VM_PFNMAP " Yang Shi

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