How to request more DMA memory for Arria 10 "pcie"?

Hi,

This is an error printed from the kernel log:

[ 411.470649] WARNING: CPU: 5 PID: 4820 at /build/linux-hwe-5.4-b3AsfY/linux-hwe-5.4-5.4.0/mm/page_alloc.c:4744 __alloc_pages_nodemask+0x1cd/0x320
[ 411.470649] Modules linked in: intel_fpga_pcie_drv(OE+) xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter br_netfilter bridge stp llc aufs overlay intel_rapl_msr snd_hda_codec_hdmi binfmt_misc mei_hdcp snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio intel_rapl_common x86_pkg_temp_thermal intel_powerclamp snd_hda_intel coretemp snd_intel_dspcfg snd_hda_codec kvm_intel snd_hda_core kvm snd_hwdep snd_pcm crct10dif_pclmul i915 crc32_pclmul snd_seq_midi ghash_clmulni_intel snd_seq_midi_event aesni_intel snd_rawmidi drm_kms_helper crypto_simd snd_seq cryptd drm snd_seq_device glue_helper i2c_algo_bit snd_timer fb_sys_fops joydev syscopyarea input_leds snd rapl sysfillrect intel_cstate sysimgblt soundcore altera_cvp fpga_mgr mei_me mei mac_hid acpi_pad sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj
[ 411.470667] hid_generic usbhid hid e1000e ahci libahci video
[ 411.470671] CPU: 5 PID: 4820 Comm: insmod Tainted: G OE 5.4.0-132-generic #148~18.04.1-Ubuntu
[ 411.470671] Hardware name: Gigabyte Technology Co., Ltd. B250M-D3H/B250M-D3H-CF, BIOS F8 11/08/2017
[ 411.470673] RIP: 0010:__alloc_pages_nodemask+0x1cd/0x320
[ 411.470673] Code: 22 ff ff ff 65 48 8b 04 25 c0 bb 01 00 48 05 38 0c 00 00 41 bf 01 00 00 00 48 89 45 b0 e9 04 ff ff ff 81 e7 00 20 00 00 75 02 <0f> 0b 45 31 ff eb 95 44 8b 6d c0 65 8b 05 81 c8 38 68 89 c0 48 0f
[ 411.470674] RSP: 0018:ffffb5bac359f8c8 EFLAGS: 00010246
[ 411.470675] RAX: 0000000000000000 RBX: 0000000000003fff RCX: 0000000000000000
[ 411.470675] RDX: 0000000000000000 RSI: 000000000000000e RDI: 0000000000000000
[ 411.470676] RBP: ffffb5bac359f920 R08: 0000000000000000 R09: ffffffffffffffff
[ 411.470676] R10: ffffb5bac2e01000 R11: 0000000000000001 R12: 0000000000000cc0
[ 411.470676] R13: ffff8ea81b82f0b0 R14: 00000000ffffffff R15: ffffffffffffffff
[ 411.470677] FS: 00007f8c9f3ff540(0000) GS:ffff8ea81eb40000(0000) knlGS:0000000000000000
[ 411.470678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 411.470678] CR2: 0000562b9dbcb2c8 CR3: 0000000387084005 CR4: 00000000003606e0
[ 411.470678] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 411.470679] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 411.470679] Call Trace:
[ 411.470683] __dma_direct_alloc_pages+0xf1/0x200 //
[ 411.470684] dma_direct_alloc_pages+0x28/0x120
[ 411.470685] dma_direct_alloc+0xe/0x10
[ 411.470686] dma_alloc_attrs+0x30/0x60
[ 411.470689] intel_fpga_pcie_dma_probe+0x133/0x280 [intel_fpga_pcie_drv]
[ 411.470690] intel_fpga_pcie_probe+0x3dd/0x640 [intel_fpga_pcie_drv]
[ 411.470693] local_pci_probe+0x47/0xa0
[ 411.470694] pci_device_probe+0x10b/0x1b0
[ 411.470696] really_probe+0xf5/0x440
[ 411.470697] driver_probe_device+0x11b/0x130
[ 411.470698] device_driver_attach+0x58/0x60
[ 411.470699] __driver_attach+0xa3/0x150
[ 411.470700] ? device_driver_attach+0x60/0x60
[ 411.470701] ? device_driver_attach+0x60/0x60
[ 411.470702] bus_for_each_dev+0x74/0xb0
[ 411.470704] ? kmem_cache_alloc_trace+0x170/0x230
[ 411.470705] driver_attach+0x1e/0x20
[ 411.470705] bus_add_driver+0x159/0x240
[ 411.470707] ? intel_fpga_pcie_chr_init+0x267/0x267 [intel_fpga_pcie_drv]
[ 411.470708] ? intel_fpga_pcie_chr_init+0x267/0x267 [intel_fpga_pcie_drv]
[ 411.470710] driver_register+0x60/0x100
[ 411.470711] ? intel_fpga_pcie_chr_init+0x267/0x267 [intel_fpga_pcie_drv]
[ 411.470712] __pci_register_driver+0x5a/0x60
[ 411.470713] intel_fpga_pcie_init+0x97/0xd99 [intel_fpga_pcie_drv]
[ 411.470715] do_one_initcall+0x4a/0x200
[ 411.470717] ? _cond_resched+0x19/0x40
[ 411.470718] ? kmem_cache_alloc_trace+0x170/0x230
[ 411.470720] do_init_module+0x4f/0x20f
[ 411.470722] load_module+0x1c9b/0x22d0
[ 411.470724] __do_sys_finit_module+0xfc/0x120
[ 411.470725] ? __do_sys_finit_module+0xfc/0x120
[ 411.470727] __x64_sys_finit_module+0x1a/0x20
[ 411.470728] do_syscall_64+0x57/0x190
[ 411.470729] entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[ 411.470730] RIP: 0033:0x7f8c9ef44539
[ 411.470731] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1f f9 2c 00 f7 d8 64 89 01 48
[ 411.470731] RSP: 002b:00007ffcf296d138 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 411.470732] RAX: ffffffffffffffda RBX: 0000562b9dbc7780 RCX: 00007f8c9ef44539
[ 411.470732] RDX: 0000000000000000 RSI: 0000562b9c5a4cee RDI: 0000000000000003
[ 411.470733] RBP: 0000562b9c5a4cee R08: 0000000000000000 R09: 00007f8c9f217000
[ 411.470733] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
[ 411.470733] R13: 0000562b9dbca2c0 R14: 0000000000000000 R15: 0000000000000000
[ 411.470735] ---[ end trace 0543968c043c65c4 ]---
[ 411.470735] intel_fpga_pcie_dma_probe - 0320:
[ 411.470736] couldn't create write descriptor table.

[ 411.470737] intel_fpga_pcie_probe - 0188:
[ 411.470737] couldn't initialize DMA controller.

[ 411.470746] intel_fpga_pcie_drv 0000:02:00.0: goto err_regions
[ 411.470747] intel_fpga_pcie_drv 0000:02:00.0: goto err_dma_mask
[ 411.470748] Trying to free nonexistent resource <00000000f0100000-00000000f010ffff>
[ 411.470748] Trying to free nonexistent resource <00000000f0000000-00000000f00fffff>
[ 411.470751] intel_fpga_pcie_drv: probe of 0000:02:00.0 failed with error -12