linux-kernel - Re: [RFC PATCH] mm: silence soft lockups from unlock

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Message-ID: <20200725093902.GA3870@redhat.com>
Date:   Sat, 25 Jul 2020 11:39:03 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Hugh Dickins <hughd@...gle.com>, Michal Hocko <mhocko@...nel.org>,
        Linux-MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        Michal Hocko <mhocko@...e.com>
Subject: Re: [RFC PATCH] mm: silence soft lockups from unlock_page

On 07/24, Linus Torvalds wrote:
>
> And in fact, once you do it on top of that, it becomes obvious that we
> can share even more code: move the WQ_FLAG_WOKEN logic _into_ the
> trylock_page_bit_common() function.

Ah, indeed, somehow I didn't realize this,

> I added your reviewed-by, but maybe you should double-check my changes.

Still looks correct to me, thanks.

Oleg.