tools/mm/page-types: fix kpageflags option argument in getopt_long

The --kpageflags option requires an argument to specify the kpageflags
file path, but has_arg was set to 0 (no_argument) in the long options
table.  Change it to 1 (required_argument) so getopt_long correctly parses
the argument.

Link: https://lore.kernel.org/20260513022120.58033-4-ye.liu@linux.dev
Signed-off-by: Ye Liu <liuye@kylinos.cn>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/tools/mm/page-types.c b/tools/mm/page-types.c
index 66f429f2b698751002ea96ae20b3602be6274b08..7fc5a8be5997fbe39d2757adb29b58679553a939 100644 (file)
--- a/tools/mm/page-types.c
+++ b/tools/mm/page-types.c
@@ -1261,7 +1261,7 @@ static const struct option opts[] = {
        { "no-summary", 0, NULL, 'N' },
        { "hwpoison"  , 0, NULL, 'X' },
        { "unpoison"  , 0, NULL, 'x' },
-       { "kpageflags", 0, NULL, 'F' },
+       { "kpageflags", 1, NULL, 'F' },
        { "help"      , 0, NULL, 'h' },
        { NULL        , 0, NULL, 0 }
 };