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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-05 09:27:05 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-05 09:27:05 +0200
commit8bc39bca5e3e8da0d62f7f4d67fdbeecab02b350 (patch)
treeac5df85133c64167381acb33086e154724148dc2 /drivers/md/dm-ioctl.c
parent094094a9373fbea80ec00714eed5c24f6fd39ecf (diff)
parent3c2993b8c6143d8a5793746a54eba8f86f95240f (diff)
Merge 4.12-rc4 into tty-next
We want the tty locking fix in here, so that maybe we can finally get it fixed for real... Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md/dm-ioctl.c')
-rw-r--r--drivers/md/dm-ioctl.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 0555b4410e05..41852ae287a5 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1710,12 +1710,13 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl *param_kern
}
/*
- * Try to avoid low memory issues when a device is suspended.
+ * Use __GFP_HIGH to avoid low memory issues when a device is
+ * suspended and the ioctl is needed to resume it.
* Use kmalloc() rather than vmalloc() when we can.
*/
dmi = NULL;
noio_flag = memalloc_noio_save();
- dmi = kvmalloc(param_kernel->data_size, GFP_KERNEL);
+ dmi = kvmalloc(param_kernel->data_size, GFP_KERNEL | __GFP_HIGH);
memalloc_noio_restore(noio_flag);
if (!dmi) {