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Re: dm: ioctl: use kvfree

From Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Newsgroups linux.kernel
Subject Re: dm: ioctl: use kvfree
Date 2016-04-11 18:20 +0200
Message-ID <rmMJb-gC-9@gated-at.bofh.it> (permalink)
References <rmLN8-7Xx-9@gated-at.bofh.it> <rmLN8-7Xx-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Monday 11 April 2016 08:47 PM, Mike Snitzer wrote:
> On Mon, Apr 11 2016 at 11:14am -0400,
> Sudip Mukherjee <sudipm.mukherjee@gmail.com> wrote:
>
>> We can use kvfree() instead of calling kfree() and vfree() based on
>> if-else and param_flags. kvfree() will check the type of address and
>> will call the respective function to free it.
>> Additionally we can also remove the use of DM_PARAMS_KMALLOC and
>> DM_PARAMS_VMALLOC.
>>
>> Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
>
> Have you actually tested htis?  Last time I looked to do this it exposed
> crashes.  I don't have time to dig into this again right now but this is
> _not_ as simple as this patch implies.
>

No, it was just build tested. Is it possible to test it in qemu or kvm?

regards
sudip

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Thread

Re: dm: ioctl: use kvfree Mike Snitzer <snitzer@redhat.com> - 2016-04-11 17:20 +0200
  Re: dm: ioctl: use kvfree Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-04-11 18:20 +0200
    Re: dm: ioctl: use kvfree Rasmus Villemoes <linux@rasmusvillemoes.dk> - 2016-04-11 22:00 +0200

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