linux-kernel - Re: [PATCH 2/4] signal: Make flush_sigqueue() use free

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Message-ID: <01000169b5a35953-18d68249-266d-48a1-bddd-adbecfcc3e9f-000000@email.amazonses.com>
Date:   Mon, 25 Mar 2019 16:16:15 +0000
From:   Christopher Lameter <cl@...ux.com>
To:     Matthew Wilcox <willy@...radead.org>
cc:     Waiman Long <longman@...hat.com>, Oleg Nesterov <oleg@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        selinux@...r.kernel.org, Paul Moore <paul@...l-moore.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        Eric Paris <eparis@...isplace.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>
Subject: Re: [PATCH 2/4] signal: Make flush_sigqueue() use free_q to release
 memory

On Mon, 25 Mar 2019, Matthew Wilcox wrote:

> Options:
>
> 1. Dispense with this optimisation and always store the size of the
> object before the object.

I think thats how SLOB handled it at some point in the past. Lets go back
to that setup so its compatible with the other allocators?