Re: [PATCH] block: Fix page refcounts for unaligned buffers in __bio_release_pages()

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On 3/6/24 8:03 AM, Tony Battersby wrote:
> On 2/29/24 17:56, Greg Edwards wrote:
>> On Thu, Feb 29, 2024 at 01:08:09PM -0500, Tony Battersby wrote:
>>> Fix an incorrect number of pages being released for buffers that do not
>>> start at the beginning of a page.
>>>
>>> Fixes: 1b151e2435fc ("block: Remove special-casing of compound pages")
>>> Cc: stable@xxxxxxxxxxxxxxx
>>> Signed-off-by: Tony Battersby <tonyb@xxxxxxxxxxxxxxx>
>>> ---
>> This resolves the QEMU hugetlb issue I noted earlier today here [1].
>> I tested it on 6.1.79, 6.8-rc6 and linux-next-20240229.  Thank you!
>>
>> Feel free to add a:
>>
>> Tested-by: Greg Edwards <gedwards@xxxxxxx>
>>
>> [1] https://lore.kernel.org/linux-block/20240229182513.GA17355@xxxxxxxxxxxxxxxx/
> 
> Jens, can I get this added to 6.8 (or 6.9 if it is too late)?

Let's just go for 6.9 at this pount, we're almost there. I'll queue it
up.

-- 
Jens Axboe





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