From: Thorsten Blum <thorsten.blum@linux.dev>
To: Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>
Cc: Thorsten Blum <thorsten.blum@linux.dev>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: [PATCH] mm/cma: Replace snprintf with strscpy in cma_new_area
Date: Mon, 26 Jan 2026 18:45:15 +0100 [thread overview]
Message-ID: <20260126174516.236968-1-thorsten.blum@linux.dev> (raw)
Replace snprintf("%s", ...) with the faster and more direct strscpy().
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
mm/cma.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mm/cma.c b/mm/cma.c
index 813e6dc7b095..44b43de28c13 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -22,6 +22,7 @@
#include <linux/mm.h>
#include <linux/sizes.h>
#include <linux/slab.h>
+#include <linux/string.h>
#include <linux/string_choices.h>
#include <linux/log2.h>
#include <linux/cma.h>
@@ -233,7 +234,7 @@ static int __init cma_new_area(const char *name, phys_addr_t size,
cma_area_count++;
if (name)
- snprintf(cma->name, CMA_MAX_NAME, "%s", name);
+ strscpy(cma->name, name);
else
snprintf(cma->name, CMA_MAX_NAME, "cma%d\n", cma_area_count);
--
Thorsten Blum <thorsten.blum@linux.dev>
GPG: 1D60 735E 8AEF 3BE4 73B6 9D84 7336 78FD 8DFE EAD4
next reply other threads:[~2026-01-26 17:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-26 17:45 Thorsten Blum [this message]
2026-01-27 0:47 ` SeongJae Park
2026-01-27 0:54 ` Andrew Morton
2026-01-27 1:05 ` SeongJae Park
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