| Message ID | 20240129124649.189745-3-david@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | mm/memory: optimize fork() with PTE-mapped THP | expand |
On Mon, Jan 29, 2024 at 01:46:36PM +0100, David Hildenbrand wrote: > 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> Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org> > --- > arch/arm/include/asm/pgtable.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h > index d657b84b6bf7..be91e376df79 100644 > --- a/arch/arm/include/asm/pgtable.h > +++ b/arch/arm/include/asm/pgtable.h > @@ -209,6 +209,8 @@ static inline void __sync_icache_dcache(pte_t pteval) > extern void __sync_icache_dcache(pte_t pteval); > #endif > > +#define PFN_PTE_SHIFT PAGE_SHIFT > + > void set_ptes(struct mm_struct *mm, unsigned long addr, > pte_t *ptep, pte_t pteval, unsigned int nr); > #define set_ptes set_ptes > -- > 2.43.0 > >
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index d657b84b6bf7..be91e376df79 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -209,6 +209,8 @@ static inline void __sync_icache_dcache(pte_t pteval) extern void __sync_icache_dcache(pte_t pteval); #endif +#define PFN_PTE_SHIFT PAGE_SHIFT + void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pteval, unsigned int nr); #define set_ptes set_ptes
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/arm/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+)