I believe the test for PageDirty() is no longer needed. The
commit adding it was abf09bed3cce with the rationale that this
avoided faults for tmpfs and shmem pages. shmem does not mark
newly allocated folios as dirty since 2016 (commit 75edd345e8ed)
so this test has been ineffective since then.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
arch/s390/include/asm/pgtable.h | 11 -----------
1 file changed, 11 deletions(-)
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 6a21d947a687..1bb7f33394d0 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1413,17 +1413,6 @@ static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot)
return pte_mkyoung(__pte);
}
-static inline pte_t mk_pte(struct page *page, pgprot_t pgprot)
-{
- unsigned long physpage = page_to_phys(page);
- pte_t __pte = mk_pte_phys(physpage, pgprot);
-
- if (pte_write(__pte) && PageDirty(page))
- __pte = pte_mkdirty(__pte);
- return __pte;
-}
-#define mk_pte mk_pte
-
#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
#define p4d_index(address) (((address) >> P4D_SHIFT) & (PTRS_PER_P4D-1))
#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
--
2.43.0
