git: abc7a4a0c1b0 - main - Simplify setting a non-4k PAGE_SIZE on arm64

From: Andrew Turner <andrew_at_FreeBSD.org>
Date: Wed, 10 Aug 2022 16:06:26 UTC
The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=abc7a4a0c1b0ecfd44fd7e0a9d47d6cd4eed1362

commit abc7a4a0c1b0ecfd44fd7e0a9d47d6cd4eed1362
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2022-08-09 15:15:56 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2022-08-10 16:02:00 +0000

    Simplify setting a non-4k PAGE_SIZE on arm64
    
    Define PAGE_SIZE and PAGE_MASK based on PAGE_SHIFT. With this we only
    need to set one value to change one value to change the page size.
    
    While here remove the unused PAGE_MASK_* macros.
    
    Sponsored by:   The FreeBSD Foundation
---
 sys/arm64/include/param.h | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sys/arm64/include/param.h b/sys/arm64/include/param.h
index f331fd19e2c8..8b2ac8c9bd18 100644
--- a/sys/arm64/include/param.h
+++ b/sys/arm64/include/param.h
@@ -85,19 +85,16 @@
 
 #define	PAGE_SHIFT_4K	12
 #define	PAGE_SIZE_4K	(1 << PAGE_SHIFT_4K)
-#define	PAGE_MASK_4K	(PAGE_SIZE_4K - 1)
 
 #define	PAGE_SHIFT_16K	14
 #define	PAGE_SIZE_16K	(1 << PAGE_SHIFT_16K)
-#define	PAGE_MASK_16K	(PAGE_SIZE_16K - 1)
 
 #define	PAGE_SHIFT_64K	16
 #define	PAGE_SIZE_64K	(1 << PAGE_SHIFT_64K)
-#define	PAGE_MASK_64K	(PAGE_SIZE_64K - 1)
 
 #define	PAGE_SHIFT	PAGE_SHIFT_4K
-#define	PAGE_SIZE	PAGE_SIZE_4K
-#define	PAGE_MASK	PAGE_MASK_4K
+#define	PAGE_SIZE	(1 << PAGE_SHIFT)
+#define	PAGE_MASK	(PAGE_SIZE - 1)
 
 #define	MAXPAGESIZES	3		/* maximum number of supported page sizes */