From: zenghongling <zenghongling@kylinos.cn>
Date: Tue, 20 Jan 2026 09:49:32 +0000 (+0800)
Subject: mm/pagewalk: use min() to simplify the code
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=57fdfd64238ee4ff9b2cf62d61714d94dd6ebc3d;p=thirdparty%2Fkernel%2Flinux.git

mm/pagewalk: use min() to simplify the code

Use the min() macro to simplify the function and improve its readability.

[akpm@linux-foundation.org: add newline, per Lorenzo]
Link: https://lkml.kernel.org/r/20260120094932.183697-1-zenghongling@kylinos.cn
Signed-off-by: zenghongling <zenghongling@kylinos.cn>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Cc: Hongling Zeng <zenghongling@kylinos.cn>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index 90cc346a6ecf1..a94c401ab2cfe 100644
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -313,7 +313,8 @@ static unsigned long hugetlb_entry_end(struct hstate *h, unsigned long addr,
 				       unsigned long end)
 {
 	unsigned long boundary = (addr & huge_page_mask(h)) + huge_page_size(h);
-	return boundary < end ? boundary : end;
+
+	return min(boundary, end);
 }
 
 static int walk_hugetlb_range(unsigned long addr, unsigned long end,