ok3s64-Use-pmdp_ptep-helper-instead-of-typecasting/20230606-125913
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link:
https://lore.kernel.org/r/20230606045608.55127-16-aneesh.kumar%40linux.ibm.com
patch subject: [PATCH 15/16] powerpc/book3s64/radix: Add s
With 2M PMD-level mapping, we require 32 struct pages and a single vmemmap page
can contain 1024 struct pages (PAGE_SIZE/sizeof(struct page)). Hence with 64K
page size, we don't use vmemmap deduplication for PMD-level mapping.
Signed-off-by: Aneesh Kumar K.V
---
Documentation/mm/vmemmap_dedup.rs