kvmalloc_flex
ctx = kvmalloc_flex(*ctx, workspace, size);
ctx = kvmalloc_flex(*ctx, wksp, wksp_size);
kvmalloc_flex(*entries, ent, count);
buf = kvmalloc_flex(*buf, data, size, flags);
ctx = kvmalloc_flex(*ctx, chunks, num_chunks);
return kvmalloc_flex(struct io_mapped_ubuf, bvec, nr_bvecs);
iter = kvmalloc_flex(*iter, buffer, size);
gi = kvmalloc_flex(*gi, gid, gidsetsize, GFP_KERNEL_ACCOUNT);
hinfo = kvmalloc_flex(*hinfo, hash, size);
d = kvmalloc_flex(*d, table, n);