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authorPaolo Bonzini <pbonzini@redhat.com>2022-03-08 13:02:21 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2022-03-08 17:30:46 +0300
commit3000f2e2fc855664c28d3e6a47e0373737974eb4 (patch)
tree523804b14bc1657ea7755c27d087707a5fc3a360 /mm/percpu-stats.c
parenta8749a35c39903120ec421ef2525acc8e0daa55c (diff)
downloadlinux-3000f2e2fc855664c28d3e6a47e0373737974eb4.tar.xz
mm: use vmalloc_array and vcalloc for array allocations
Instead of using array_size or just a multiply, use a function that takes care of both the multiplication and the overflow checks. Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'mm/percpu-stats.c')
-rw-r--r--mm/percpu-stats.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/percpu-stats.c b/mm/percpu-stats.c
index c6bd092ff7a3..dd3590dfc23d 100644
--- a/mm/percpu-stats.c
+++ b/mm/percpu-stats.c
@@ -144,7 +144,7 @@ alloc_buffer:
spin_unlock_irq(&pcpu_lock);
/* there can be at most this many free and allocated fragments */
- buffer = vmalloc(array_size(sizeof(int), (2 * max_nr_alloc + 1)));
+ buffer = vmalloc_array(2 * max_nr_alloc + 1, sizeof(int));
if (!buffer)
return -ENOMEM;