linux-kernel - Re: [PATCH v8 2/6] virtio-pmem: Add virtio pmem driver

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Message-ID: <cd5572ac-14d0-f872-6321-c522daa70f49@redhat.com>
Date:   Tue, 14 May 2019 11:57:05 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Pankaj Gupta <pagupta@...hat.com>
Cc:     linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-acpi@...r.kernel.org,
        qemu-devel@...gnu.org, linux-ext4@...r.kernel.org,
        linux-xfs@...r.kernel.org,
        dan j williams <dan.j.williams@...el.com>,
        zwisler@...nel.org, vishal l verma <vishal.l.verma@...el.com>,
        dave jiang <dave.jiang@...el.com>, mst@...hat.com,
        jasowang@...hat.com, willy@...radead.org, rjw@...ysocki.net,
        hch@...radead.org, lenb@...nel.org, jack@...e.cz, tytso@....edu,
        adilger kernel <adilger.kernel@...ger.ca>,
        darrick wong <darrick.wong@...cle.com>, lcapitulino@...hat.com,
        kwolf@...hat.com, imammedo@...hat.com, jmoyer@...hat.com,
        nilal@...hat.com, riel@...riel.com, stefanha@...hat.com,
        aarcange@...hat.com, david@...morbit.com, cohuck@...hat.com,
        xiaoguangrong eric <xiaoguangrong.eric@...il.com>,
        pbonzini@...hat.com, kilobyte@...band.pl,
        yuval shaia <yuval.shaia@...cle.com>, jstaron@...gle.com
Subject: Re: [PATCH v8 2/6] virtio-pmem: Add virtio pmem driver

>>
>> I think you should do the same here, vdev->priv is allocated in
>> virtio_pmem_probe.
>>
>> But maybe I am missing something important here :)
> 
> Because virtio_balloon use "kzalloc" for allocation and needs to be freed. 
> But virtio pmem uses "devm_kzalloc" which takes care of automatically deleting 
> the device memory when associated device is detached.

Hehe, thanks, that was the part that I was missing!

-- 

Thanks,

David / dhildenb