From: Ye Liu The _debug_guardpage_minorder variable is declared as unsigned int, but the debug_guardpage_minorder_setup() function uses unsigned long and kstrtoul() to parse the value. Use kstrtouint() with unsigned int local variable to match the actual type of _debug_guardpage_minorder. Also fix the format specifier from %lu to %u accordingly. Signed-off-by: Ye Liu --- mm/debug_page_alloc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/debug_page_alloc.c b/mm/debug_page_alloc.c index 6a26eca546c3..41e3d1f1ad96 100644 --- a/mm/debug_page_alloc.c +++ b/mm/debug_page_alloc.c @@ -20,14 +20,14 @@ early_param("debug_pagealloc", early_debug_pagealloc); static int __init debug_guardpage_minorder_setup(char *buf) { - unsigned long res; + unsigned int res; - if (kstrtoul(buf, 10, &res) < 0 || res > MAX_PAGE_ORDER / 2) { + if (kstrtouint(buf, 10, &res) < 0 || res > MAX_PAGE_ORDER / 2) { pr_err("Bad debug_guardpage_minorder value: %s\n", buf); return 0; } _debug_guardpage_minorder = res; - pr_info("Setting debug_guardpage_minorder to %lu\n", res); + pr_info("Setting debug_guardpage_minorder to %u\n", res); return 0; } early_param("debug_guardpage_minorder", debug_guardpage_minorder_setup); -- 2.25.1