linux-kernel - Re: [FIX] slub: Remove kmalloc under list_lock from list_slab

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Message-ID: <20191207220320.GA67512@google.com>
Date:   Sat, 7 Dec 2019 15:03:20 -0700
From:   Yu Zhao <yuzhao@...gle.com>
To:     Christopher Lameter <cl@...ux.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [FIX] slub: Remove kmalloc under list_lock from
 list_slab_objects() V2

On Mon, Dec 02, 2019 at 03:12:20PM +0000, Christopher Lameter wrote:
> On Sat, 30 Nov 2019, Andrew Morton wrote:
> 
> > > Perform the allocation in free_partial() before the list_lock is taken.
> >
> > No response here?  It looks a lot simpler than the originally proposed
> > patch?
> 
> Yup. I prefer this one but its my own patch so I cannot Ack this.

Hi, there is a pending question from Tetsuo-san. I'd be happy to ack
once it's address.