On Tue, Aug 08, 2017 at 05:49:59AM -0700, Matthew Wilcox wrote: > + struct bio sbio; > + struct bio_vec sbvec; ... this needs to be sbvec[nr_pages], of course. > - bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9), > + if (bdi_cap_synchronous_io(inode_to_bdi(inode))) { > + bio = &sbio; > + bio_init(bio, &sbvec, nr_pages); ... and this needs to be 'sbvec', not '&sbvec'. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>