Re: [PATCH] powerpc/mm/book3s64/hash/4k: Add pmd_same callback for 4K page size

2023-07-16 Thread Michael Ellerman
On Thu, 06 Jul 2023 07:54:05 +0530, Aneesh Kumar K.V wrote: > With commit 0d940a9b270b ("mm/pgtable: allow pte_offset_map[_lock]() to > fail") the kernel is now using pmd_same to compare pmd values that are > pointing to a level 4 page table page. Move the functions out of #ifdef > CONFIG_TRANSPARE

Re: [PATCH] powerpc/mm/book3s64/hash/4k: Add pmd_same callback for 4K page size

2023-07-05 Thread Hugh Dickins
On Thu, 6 Jul 2023, Aneesh Kumar K.V wrote: > With commit 0d940a9b270b ("mm/pgtable: allow pte_offset_map[_lock]() to > fail") the kernel is now using pmd_same to compare pmd values that are > pointing to a level 4 page table page. Move the functions out of #ifdef > CONFIG_TRANSPARENT_HUGEPAGE and

[PATCH] powerpc/mm/book3s64/hash/4k: Add pmd_same callback for 4K page size

2023-07-05 Thread Aneesh Kumar K.V
With commit 0d940a9b270b ("mm/pgtable: allow pte_offset_map[_lock]() to fail") the kernel is now using pmd_same to compare pmd values that are pointing to a level 4 page table page. Move the functions out of #ifdef CONFIG_TRANSPARENT_HUGEPAGE and add a variant that can work with both 4K and 64K pag