diff mbox series

[v2,08/15] mm/pgtable: make pte_next_pfn() independent of set_ptes()

Message ID 20240125193227.444072-9-david@redhat.com (mailing list archive)
State New
Headers show
Series mm/memory: optimize fork() with PTE-mapped THP | expand

Commit Message

David Hildenbrand Jan. 25, 2024, 7:32 p.m. UTC
Let's provide pte_next_pfn(), independently of set_ptes(). This allows for
using the generic pte_next_pfn() version in some arch-specific set_ptes()
implementations, and prepares for reusing pte_next_pfn() in other context.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 include/linux/pgtable.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Christophe Leroy Jan. 25, 2024, 9:29 p.m. UTC | #1
Le 25/01/2024 à 20:32, David Hildenbrand a écrit :
> Let's provide pte_next_pfn(), independently of set_ptes(). This allows for
> using the generic pte_next_pfn() version in some arch-specific set_ptes()
> implementations, and prepares for reusing pte_next_pfn() in other context.
> 
> Signed-off-by: David Hildenbrand <david@redhat.com>

Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>

> ---
>   include/linux/pgtable.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
> index f6d0e3513948a..351cd9dc7194f 100644
> --- a/include/linux/pgtable.h
> +++ b/include/linux/pgtable.h
> @@ -212,7 +212,6 @@ static inline int pmd_dirty(pmd_t pmd)
>   #define arch_flush_lazy_mmu_mode()	do {} while (0)
>   #endif
>   
> -#ifndef set_ptes
>   
>   #ifndef pte_next_pfn
>   static inline pte_t pte_next_pfn(pte_t pte)
> @@ -221,6 +220,7 @@ static inline pte_t pte_next_pfn(pte_t pte)
>   }
>   #endif
>   
> +#ifndef set_ptes
>   /**
>    * set_ptes - Map consecutive pages to a contiguous range of addresses.
>    * @mm: Address space to map the pages into.
diff mbox series

Patch

diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index f6d0e3513948a..351cd9dc7194f 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -212,7 +212,6 @@  static inline int pmd_dirty(pmd_t pmd)
 #define arch_flush_lazy_mmu_mode()	do {} while (0)
 #endif
 
-#ifndef set_ptes
 
 #ifndef pte_next_pfn
 static inline pte_t pte_next_pfn(pte_t pte)
@@ -221,6 +220,7 @@  static inline pte_t pte_next_pfn(pte_t pte)
 }
 #endif
 
+#ifndef set_ptes
 /**
  * set_ptes - Map consecutive pages to a contiguous range of addresses.
  * @mm: Address space to map the pages into.