* [PATCH] riscv/mm: Fix the comment for swap pte format
@ 2023-09-21 14:16 Xiao Wang
2023-09-21 14:21 ` David Hildenbrand
0 siblings, 1 reply; 2+ messages in thread
From: Xiao Wang @ 2023-09-21 14:16 UTC (permalink / raw)
To: paul.walmsley, palmer, aou; +Cc: linux-riscv, linux-kernel, david, Xiao Wang
Swap type takes bits 7-11 and swap offset should start from bit 12.
Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
---
arch/riscv/include/asm/pgtable.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index e05b5dc1f0cb..e94a2998e81e 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -812,7 +812,7 @@ extern pmd_t pmdp_collapse_flush(struct vm_area_struct *vma,
* bit 5: _PAGE_PROT_NONE (zero)
* bit 6: exclusive marker
* bits 7 to 11: swap type
- * bits 11 to XLEN-1: swap offset
+ * bits 12 to XLEN-1: swap offset
*/
#define __SWP_TYPE_SHIFT 7
#define __SWP_TYPE_BITS 5
--
2.25.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] riscv/mm: Fix the comment for swap pte format
2023-09-21 14:16 [PATCH] riscv/mm: Fix the comment for swap pte format Xiao Wang
@ 2023-09-21 14:21 ` David Hildenbrand
0 siblings, 0 replies; 2+ messages in thread
From: David Hildenbrand @ 2023-09-21 14:21 UTC (permalink / raw)
To: Xiao Wang, paul.walmsley, palmer, aou; +Cc: linux-riscv, linux-kernel
On 21.09.23 16:16, Xiao Wang wrote:
> Swap type takes bits 7-11 and swap offset should start from bit 12.
>
> Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
> ---
> arch/riscv/include/asm/pgtable.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
> index e05b5dc1f0cb..e94a2998e81e 100644
> --- a/arch/riscv/include/asm/pgtable.h
> +++ b/arch/riscv/include/asm/pgtable.h
> @@ -812,7 +812,7 @@ extern pmd_t pmdp_collapse_flush(struct vm_area_struct *vma,
> * bit 5: _PAGE_PROT_NONE (zero)
> * bit 6: exclusive marker
> * bits 7 to 11: swap type
> - * bits 11 to XLEN-1: swap offset
> + * bits 12 to XLEN-1: swap offset
> */
> #define __SWP_TYPE_SHIFT 7
> #define __SWP_TYPE_BITS 5
Reviewed-by: David Hildenbrand <david@redhat.com>
--
Cheers,
David / dhildenb
^ permalink raw reply [flat|nested] 2+ messages in thread
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