From: Arnd Bergmann <arnd@xxxxxxxx> commit aaa746ad8b30f38ef89a301faf339ef1c19cf33a upstream. This is needed for the vmap/vunmap declarations: mm/kmsan/kmsan_test.c:316:9: error: implicit declaration of function 'vmap' is invalid in C99 [-Werror,-Wimplicit-function-declaration] vbuf = vmap(pages, npages, VM_MAP, PAGE_KERNEL); ^ mm/kmsan/kmsan_test.c:316:29: error: use of undeclared identifier 'VM_MAP' vbuf = vmap(pages, npages, VM_MAP, PAGE_KERNEL); ^ mm/kmsan/kmsan_test.c:322:3: error: implicit declaration of function 'vunmap' is invalid in C99 [-Werror,-Wimplicit-function-declaration] vunmap(vbuf); ^ Link: https://lkml.kernel.org/r/20221215163046.4079767-1-arnd@xxxxxxxxxx Fixes: 8ed691b02ade ("kmsan: add tests for KMSAN") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Marco Elver <elver@xxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- mm/kmsan/kmsan_test.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/kmsan/kmsan_test.c b/mm/kmsan/kmsan_test.c index eb44ef3c5f29..088e21a48dc4 100644 --- a/mm/kmsan/kmsan_test.c +++ b/mm/kmsan/kmsan_test.c @@ -22,6 +22,7 @@ #include <linux/spinlock.h> #include <linux/string.h> #include <linux/tracepoint.h> +#include <linux/vmalloc.h> #include <trace/events/printk.h> static DEFINE_PER_CPU(int, per_cpu_var); -- 2.39.0