Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx> Cc: linux-s390@xxxxxxxxxxxxxxx Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxx> --- arch/s390/mm/gup.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c index 12bbf0e..a1d5db7 100644 --- a/arch/s390/mm/gup.c +++ b/arch/s390/mm/gup.c @@ -12,6 +12,8 @@ #include <linux/rwsem.h> #include <asm/pgtable.h> +#include <trace/events/gup.h> + /* * The performance critical leaf functions are made noinline otherwise gcc * inlines everything into a single function which results in too much @@ -188,6 +190,9 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, end = start + len; if ((end <= start) || (end > TASK_SIZE)) return 0; + + trace_gup_get_user_pages_fast(start, nr_pages); + /* * local_irq_save() doesn't prevent pagetable teardown, but does * prevent the pagetables from being freed on s390. -- 2.0.2 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>