linux-kernel - [PATCH] riscv/mm: Fix the comment for swap pte format

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Message-Id: <20230921141652.2657054-1-xiao.w.wang@intel.com>
Date:   Thu, 21 Sep 2023 22:16:52 +0800
From:   Xiao Wang <xiao.w.wang@...el.com>
To:     paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        david@...hat.com, Xiao Wang <xiao.w.wang@...el.com>
Subject: [PATCH] riscv/mm: Fix the comment for swap pte format

Swap type takes bits 7-11 and swap offset should start from bit 12.

Signed-off-by: Xiao Wang <xiao.w.wang@...el.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