linux-kernel - [PATCH 17/21] mm: don't use GENMASK()

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Message-ID: <20251025164023.308884-18-yury.norov@gmail.com>
Date: Sat, 25 Oct 2025 12:40:16 -0400
From: "Yury Norov (NVIDIA)" <yury.norov@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Nicolas Frattaroli <nicolas.frattaroli@...labora.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Cc: "Yury Norov (NVIDIA)" <yury.norov@...il.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: [PATCH 17/21] mm: don't use GENMASK()

GENMASK(high, low) notation is confusing. FIRST_BITS() is more
appropriate.

Signed-off-by: Yury Norov (NVIDIA) <yury.norov@...il.com>
---
 mm/debug_vm_pgtable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
index 830107b6dd08..b722dc3c091b 100644
--- a/mm/debug_vm_pgtable.c
+++ b/mm/debug_vm_pgtable.c
@@ -40,7 +40,7 @@
  * expectations that are being validated here. All future changes in here
  * or the documentation need to be in sync.
  */
-#define RANDOM_NZVALUE	GENMASK(7, 0)
+#define RANDOM_NZVALUE	FIRST_BITS(8)
 
 struct pgtable_debug_args {
 	struct mm_struct	*mm;
-- 
2.43.0