diff options
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index 72e481aacd5d..3eedf7ae957f 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -772,8 +772,7 @@ static void set_cluster_next(struct swap_info_struct *si, unsigned long next) /* No free swap slots available */ if (si->highest_bit <= si->lowest_bit) return; - next = si->lowest_bit + - prandom_u32_max(si->highest_bit - si->lowest_bit + 1); + next = get_random_u32_inclusive(si->lowest_bit, si->highest_bit); next = ALIGN_DOWN(next, SWAP_ADDRESS_SPACE_PAGES); next = max_t(unsigned int, next, si->lowest_bit); } @@ -3089,7 +3088,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) */ for_each_possible_cpu(cpu) { per_cpu(*p->cluster_next_cpu, cpu) = - 1 + prandom_u32_max(p->highest_bit); + get_random_u32_inclusive(1, p->highest_bit); } nr_cluster = DIV_ROUND_UP(maxpages, SWAPFILE_CLUSTER); |