Re: [PATCH 1/2] mm/vmalloc: acquire init_mm read lock on huge vmap promotion
From: Dev Jain
Date: Sun Jul 12 2026 - 07:15:28 EST
On 12/07/26 1:31 pm, Greg KH wrote:
> On Sun, Jul 12, 2026 at 01:13:12PM +0530, Dev Jain wrote:
>>
>>
>> [-----]
>>
>>> We also define a guard class for mmap_read_trylock() so we can use
>>> cleanup.h to make the scope handling cleaner in the implementation.
>>>
>>
>> Will this cause backport problems, I think this scoped guard thingy is
>> not that old?
>
> Don't worry about stable issues until after the fact. Fix things
> properly in Linus's tree first.
>
> And scoped guard has been backported to many of the LTS branches
> already.
Nice, thanks.
>
> thanks,
>
> greg k-h