Re: [PATCH 4/5] x86/mm: Decouple kernel TLB flushes from flush_tlb_info
From: Sebastian Andrzej Siewior
Date: Wed Sep 23 2026 - 07:13:30 EST
On 2026-09-23 18:43:55 [+0800], Chuyi Zhou wrote:
> The ceiling check does not cover all possible inputs, though. For
> example, with start = ULONG_MAX - PAGE_SIZE + 1 and end = TLB_FLUSH_ALL,
Well, due to the number of pages when it is considered to do a full
flush. But "ULONG_MAX - PAGE_SIZE + 1" isn't a valid start input, is
it?
Sebastian