linux-kernel - Re: [PATCH 4/4] mm/thp: narrow lru locking

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Message-ID: <2504ea84-110c-cf8e-d2f7-0aab97f6121a@linux.alibaba.com>
Date:   Sun, 2 Aug 2020 21:24:32 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Wei Yang <richard.weiyang@...il.com>,
        Hugh Dickins <hughd@...gle.com>,
        "Kirill A. Shutemov" <kirill@...temov.name>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Johannes Weiner <hannes@...xchg.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 4/4] mm/thp: narrow lru locking



在 2020/8/2 下午7:09, Matthew Wilcox 写道:
> You're playing games with separating interrupt disabling from spinlocks.
> Have you got any feedback from -rt people on this?

Is there other suggestions to remove local_irq_disable?

Just check again on kernel/mm directory on linux-next. there are still
much local_irq_disable there.

Guess we need a final solution instead of block new one.

Thanks
Alex