Re: [PATCH] mm/mmu_notifier: Remove non_block_start/end() from notifier invocation
From: David Woodhouse
Date: Thu Aug 20 2026 - 14:54:27 EST
On 20 August 2026 16:34:13 BST, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote:
>On 2026-08-20 15:26:35 [+0100], David Woodhouse wrote:
>>
>> So if you fix the might_sleep() and Paul comes through with the atomic
>> SRCU thing, I no longer care *much*, but still think the whole thing
>> deserves to die.
>
>Okay. Let me look into it then. But "the whole thing deserves to die" is
>limited to the kvm usage, not in the kernel?
I mean the whole of the non_block_start/end in the OOM path — the thing that this thread started by removing.
It's always been enforcing the wrong thing, and the effect it's had has only ever been detrimental AFAICT.