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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2018-02-01 03:17:51 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-01 04:18:37 +0300 |
| commit | ef298cc567684e33d0c9f490e71884851b646d41 (patch) | |
| tree | b597183224e37168c2abd72d501b1ccc66271416 | |
| parent | 5c8aa7ea4f988f6759b49265b4ad1cdd058e8406 (diff) | |
| download | linux-ef298cc567684e33d0c9f490e71884851b646d41.tar.xz | |
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@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/arm/include/asm/pgtable-3level.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h index 1a7a17b2a1ba..2a4836087358 100644 --- a/arch/arm/include/asm/pgtable-3level.h +++ b/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) { |