diff mbox series

[v2,06/15] s390/pgtable: define PFN_PTE_SHIFT

Message ID 20240125193227.444072-7-david@redhat.com (mailing list archive)
State Handled Elsewhere, archived
Headers show
Series mm/memory: optimize fork() with PTE-mapped THP | expand

Commit Message

David Hildenbrand Jan. 25, 2024, 7:32 p.m. UTC 
We want to make use of pte_next_pfn() outside of set_ptes(). Let's
simply define PFN_PTE_SHIFT, required by pte_next_pfn().

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 arch/s390/include/asm/pgtable.h | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 1299b56e43f6f..4b91e65c85d97 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1316,6 +1316,8 @@  pgprot_t pgprot_writecombine(pgprot_t prot);
 #define pgprot_writethrough	pgprot_writethrough
 pgprot_t pgprot_writethrough(pgprot_t prot);
 
+#define PFN_PTE_SHIFT		PAGE_SHIFT
+
 /*
  * Set multiple PTEs to consecutive pages with a single call.  All PTEs
  * are within the same folio, PMD and VMA.