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Re: [Xen-devel] [PATCH v2] xen/mm.h: add helper function to test-and-clear _PGC_allocated
- To: Paul Durrant <Paul.Durrant@xxxxxxxxxx>
- From: Jan Beulich <JBeulich@xxxxxxxx>
- Date: Mon, 15 Jul 2019 12:14:07 +0000
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>, "Tim\(Xen.org\)" <tim@xxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxx>, JulienGrall <julien.grall@xxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, IanJackson <Ian.Jackson@xxxxxxxxxx>, VolodymyrBabchuk <Volodymyr_Babchuk@xxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>
- Delivery-date: Mon, 15 Jul 2019 12:15:17 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHVOu5JruoXiXL6K0+SvpwJHZPvbabLRrMAgAAngBD//+7QAIAAJ+2wgAASxAA=
- Thread-topic: [PATCH v2] xen/mm.h: add helper function to test-and-clear _PGC_allocated
On 15.07.2019 13:09, Paul Durrant wrote:
>> From: Jan Beulich <JBeulich@xxxxxxxx>
>> Sent: 15 July 2019 11:44
>>
>> Well, the problem is that I don't feel well adjusting what a native
>> English speaking person has written.
>
> Ok. How about...
>
> "This patch adds a helper function, put_page_alloc_ref(), to replace
> all the open-coded test-and-clear/put_page occurrences. That helper
> function incorporates a check that an additional page reference is
> held and will BUG() if it is not."
Sounds good. I'll record this for merging in if no other need for a
v3 arises.
Jan
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