Re: [PATCH v2] khugepaged: hold invalidate_lock across collapse_file() readahead

[David Hildenbrand (Arm)]

On 9/14/26 18:58, Mike Rapoport wrote:
> On Mon, Sep 14, 2026 at 04:19:11PM +0200, David Hildenbrand (Arm) wrote:
>>>
>>> See https://lore.kernel.org/linux-mm/aqbtfms0_2ULBIT7@gremlin/
>>>
>>> I am not really entirely happy with somebody who has sent a flurry of patches
>>> across disparate subsystems with no previous track record being in charge of a
>>> potentially backported fix.
>>>
>>> It's David's decision but I think this fix should be taken over by somebody
>>> else.
>>
>> IIUC, this patch might be responsible for random CI failures (Mike still
>> investigating).
> 
> Checkout of this commit in mm-unstable [ 1be399d378b78 ("khugepaged: hold
> invalidate_lock across collapse_file() readahead") as of a few hours back ]
> 'khugepaged all:file $XFS_DIR' fails once in 20 or so runs on my machine.
> 
> With this commit reverted, 400 iterations didn't fail.#

Okay, Andrew please drop it for now.

-- 
Cheers,

David