Re: [PATCH 0/2] kho: misc fixes

From: Pratyush Yadav

Date: Wed Nov 05 2025 - 05:06:16 EST


On Mon, Nov 03 2025, Andrew Morton wrote:

> On Mon, 3 Nov 2025 16:20:20 -0800 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
>> On Mon, 3 Nov 2025 19:02:30 +0100 Pratyush Yadav <pratyush@xxxxxxxxxx> wrote:
>>
>> > This series has a couple of misc fixes for KHO I discovered during code
>> > review and testing.
>> >
>> > The series is based on top of [0] which has another fix for the function
>> > touched by patch 1. I spotted these two after sending the patch. If that
>> > one needs a reroll, I can combine the three into a series.
>> >
>>
>> Things appear to be misordered here.
>>
>> [1/2] "kho: fix unpreservation of higher-order vmalloc preservations"
>> fixes a667300bd53f2, so it's wanted in 6.18-rcX
>>
>> [2/2] "kho: warn and exit when unpreserved page wasn't preserved"
>> fixes fc33e4b44b271, so it's wanted in 6.16+
>>
>> So can we please have [2/2] as a standalone fix against latest -linus,
>> with a cc:stable?
>>
>> And then [1/2] as a standalone fix against latest -linus without a
>> cc:stable.
>>
>
> OK, I think I figured it out.
>
> In mm-hotfixes-unstable I have
>
> kho-fix-out-of-bounds-access-of-vmalloc-chunk.patch
> kho-fix-unpreservation-of-higher-order-vmalloc-preservations.patch
> kho-warn-and-exit-when-unpreserved-page-wasnt-preserved.patch
>
> The first two are applicable to 6.18-rcX and the third is applicable to
> 6.18-rcX, with a cc:stable for backporting.

Right. Sorry for the confusion. I see that on mm-hotfixes-unstable you
already updated the third patch with Cc: stable. Thanks.

--
Regards,
Pratyush Yadav