mm/memory hotplug: postpone the reset of obsolete pgdat

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / mm / swapfile.c

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6c340d908b274c7855b3abd0bdeadff56c8ffc92..746af55b8455ce0e9280b81c78e0ee5f2316f5d4 100644 (file)
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2116,7 +2116,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
        }
        /* frontswap enabled? set up bit-per-page map for frontswap */
        if (frontswap_enabled)
-               frontswap_map = vzalloc(maxpages / sizeof(long));
+               frontswap_map = vzalloc(BITS_TO_LONGS(maxpages) * sizeof(long));
 
        if (p->bdev) {
                if (blk_queue_nonrot(bdev_get_queue(p->bdev))) {