diff options
| author | Ye Liu <liuye@kylinos.cn> | 2025-04-27 18:04:41 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-05-12 23:50:38 -0700 |
| commit | 4048774ea5af1721e5925b7cc0a74f1efad05c4d (patch) | |
| tree | b591f63719135ae8de5dc2a33efb988cc187ef5d | |
| parent | b94bff767f77bd726e61797bbc1cf4b8cff264ae (diff) | |
mm/debug_page_alloc: improve error message for invalid guardpage minorder
When an invalid debug_guardpage_minorder value is provided, include the
user input in the error message. This helps users and developers diagnose
configuration issues more easily.
No functional change.
Link: https://lkml.kernel.org/r/20250427100442.958352-3-ye.liu@linux.dev
Signed-off-by: Ye Liu <liuye@kylinos.cn>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/debug_page_alloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/debug_page_alloc.c b/mm/debug_page_alloc.c index d46acf989dde..6a26eca546c3 100644 --- a/mm/debug_page_alloc.c +++ b/mm/debug_page_alloc.c @@ -23,7 +23,7 @@ static int __init debug_guardpage_minorder_setup(char *buf) unsigned long res; if (kstrtoul(buf, 10, &res) < 0 || res > MAX_PAGE_ORDER / 2) { - pr_err("Bad debug_guardpage_minorder value\n"); + pr_err("Bad debug_guardpage_minorder value: %s\n", buf); return 0; } _debug_guardpage_minorder = res; |