From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> Subject: arm/mm: provide pmdp_establish() helper ARM LPAE doesn't have hardware dirty/accessed bits. generic_pmdp_establish() is the right implementation of pmdp_establish for this case. Link: http://lkml.kernel.org/r/20171213105756.69879-4-kirill.shutemov@xxxxxxxxxxxxxxx Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/arm/include/asm/pgtable-3level.h | 3 +++ 1 file changed, 3 insertions(+) diff -puN arch/arm/include/asm/pgtable-3level.h~arm-mm-provide-pmdp_establish-helper arch/arm/include/asm/pgtable-3level.h --- a/arch/arm/include/asm/pgtable-3level.h~arm-mm-provide-pmdp_establish-helper +++ a/arch/arm/include/asm/pgtable-3level.h @@ -249,6 +249,9 @@ PMD_BIT_FUNC(mkyoung, |= PMD_SECT_AF); #define pfn_pmd(pfn,prot) (__pmd(((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot))) #define mk_pmd(page,prot) pfn_pmd(page_to_pfn(page),prot) +/* No hardware dirty/accessed bits -- generic_pmdp_establish() fits */ +#define pmdp_establish generic_pmdp_establish + /* represent a notpresent pmd by faulting entry, this is used by pmdp_invalidate */ static inline pmd_t pmd_mknotpresent(pmd_t pmd) { _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
