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Date:   Thu, 13 Dec 2018 06:41:11 -0800
From:   Matthew Wilcox <willy@infradead.org>
To:     Xin Long <lucien.xin@gmail.com>
Cc:     kent.overstreet@gmail.com, LKML <linux-kernel@vger.kernel.org>,
        dave.hansen@intel.com, davem <davem@davemloft.net>,
        Neil Horman <nhorman@tuxdriver.com>,
        Oleg Babin <obabin@virtuozzo.com>,
        Konstantin Khorenko <khorenko@virtuozzo.com>
Subject: Re: [PATCH 6/6] Drop flex_arrays
Message-ID: <20181213144111.GO6830@bombadil.infradead.org>
References: <20180907165635.8469-1-kent.overstreet@gmail.com>
 <20180907165635.8469-7-kent.overstreet@gmail.com>
 <CADvbK_ccPYY5jGRV+cLNc5Nzcfv0mq0eNMeU-ALvepax0ZSizQ@mail.gmail.com>
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On Thu, Dec 13, 2018 at 09:30:47PM +0900, Xin Long wrote:
> On Sat, Sep 8, 2018 at 1:57 AM Kent Overstreet
> <kent.overstreet@gmail.com> wrote:
> >
> > All existing users have been converted to generic radix trees
> NAK, SCTP is still using flex_arrays,
> # grep flex_array net/sctp/*
> 
> This patch will break the build.

sctp added that user after this patch was sent.  Please stop adding
flexarray users!

This particular user should probably have just used kvmalloc.