Now that we have it, this is an example of where it helps. Signed-off-by: George Spelvin <lkml@xxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Cc: Qian Cai <cai@xxxxxx> Cc: Kees Cook <keescook@xxxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: linux-mm@xxxxxxxxx --- mm/shuffle.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/shuffle.c b/mm/shuffle.c index b3fe97fd66541..e0ed247f8d907 100644 --- a/mm/shuffle.c +++ b/mm/shuffle.c @@ -135,7 +135,7 @@ void __meminit __shuffle_zone(struct zone *z) * in the zone. */ j = z->zone_start_pfn + - ALIGN_DOWN(get_random_long() % z->spanned_pages, + ALIGN_DOWN(get_random_max(z->spanned_pages), order_pages); page_j = shuffle_valid_page(j, order); if (page_j && page_j != page_i) -- 2.26.0