linux-kernel - [PATCH v1 2/2] s390/pgtable: introduce _REGION3_ENTRY_HARDWARE_BITS

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Message-ID: <20240425130555.73132-3-imbrenda@linux.ibm.com>
Date: Thu, 25 Apr 2024 15:05:55 +0200
From: Claudio Imbrenda <imbrenda@...ux.ibm.com>
To: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Cc: hca@...ux.ibm.com, gor@...ux.ibm.com, agordeev@...ux.ibm.com,
        svens@...ux.ibm.com, gerald.schaefer@...ux.ibm.com,
        borntraeger@...ibm.com
Subject: [PATCH v1 2/2] s390/pgtable: introduce _REGION3_ENTRY_HARDWARE_BITS_LARGE

For completeness, introduce _REGION3_ENTRY_HARDWARE_BITS_LARGE,
containing the hardware bits used for large puds.

Signed-off-by: Claudio Imbrenda <imbrenda@...ux.ibm.com>
---
 arch/s390/include/asm/pgtable.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 3da2995fd196..5c0f840eee2a 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -262,6 +262,7 @@ static inline int is_module_addr(void *addr)
 #define _REGION3_ENTRY		(_REGION_ENTRY_TYPE_R3 | _REGION_ENTRY_LENGTH)
 #define _REGION3_ENTRY_EMPTY	(_REGION_ENTRY_TYPE_R3 | _REGION_ENTRY_INVALID)
 
+#define _REGION3_ENTRY_HARDWARE_BITS_LARGE	0xffffffff8000073cUL
 #define _REGION3_ENTRY_ORIGIN_LARGE ~0x7fffffffUL /* large page address	     */
 #define _REGION3_ENTRY_DIRTY	0x2000	/* SW region dirty bit */
 #define _REGION3_ENTRY_YOUNG	0x1000	/* SW region young bit */
-- 
2.44.0