Re: [PATCH RFC v2 18/27] arm64: mte: Reserve tag block for the zero page

From: David Hildenbrand
Date: Tue Nov 28 2023 - 12:07:04 EST


On 19.11.23 17:57, Alexandru Elisei wrote:
On arm64, the zero page receives special treatment by having the tagged
flag set on MTE initialization, not when the page is mapped in a process
address space. Reserve the corresponding tag block when tag storage
management is being activated.

Out of curiosity: why does the shared zeropage require tagged storage? What about the huge zeropage?

--
Cheers,

David / dhildenb