Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Wed, 14 Nov 2018 14:20:22 -0800 (PST)
From:   David Rientjes <rientjes@google.com>
To:     Yangtao Li <tiny.windzz@gmail.com>
cc:     akpm@linux-foundation.org, mhocko@suse.com,
        dan.j.williams@intel.com, linux@dominikbrodowski.net,
        dave.hansen@linux.intel.com, dwmw@amazon.co.uk, mhocko@kernel.org,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: mmap: remove verify_mm_writelocked()
In-Reply-To: <20181108174856.10811-1-tiny.windzz@gmail.com>
Message-ID: <alpine.DEB.2.21.1811141420110.212061@chino.kir.corp.google.com>
References: <20181108174856.10811-1-tiny.windzz@gmail.com>
User-Agent: Alpine 2.21 (DEB 202 2017-01-01)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, 8 Nov 2018, Yangtao Li wrote:

> We should get rid of this function. It no longer serves its purpose.This
> is a historical artifact from 2005 where do_brk was called outside of
> the core mm.We do have a proper abstraction in vm_brk_flags and that one
> does the locking properly.So there is no need to use this function.
> 
> Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>

Acked-by: David Rientjes <rientjes@google.com>