參考資訊：
https://lore.kernel.org/lkml/CR55BD4YCDR1.22R5TLYJW6YS0@vincent-arch/t
問題如下：
drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/services4/srvkm/env/linux/mmap.c: In function ‘DoMapToUser’:
drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/services4/srvkm/env/linux/mmap.c:767:28: error: assignment of read-only member ‘vm_flags’
ps_vma->vm_flags |= VM_MIXEDMAP;
^~
drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/services4/srvkm/env/linux/mmap.c: In function ‘PVRMMap’:
drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/services4/srvkm/env/linux/mmap.c:1091:22: error: assignment of read-only member ‘vm_flags’
ps_vma->vm_flags |= VM_DONTDUMP;
^~
drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/services4/srvkm/env/linux/mmap.c:1093:22: error: assignment of read-only member ‘vm_flags’
ps_vma->vm_flags |= VM_IO;
^~
drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/services4/srvkm/env/linux/mmap.c:1099:22: error: assignment of read-only member ‘vm_flags’
ps_vma->vm_flags |= VM_DONTEXPAND;
^~
drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/services4/srvkm/env/linux/mmap.c:1102:22: error: assignment of read-only member ‘vm_flags’
ps_vma->vm_flags |= VM_DONTCOPY;
^~
make[6]: *** [scripts/Makefile.build:252: drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/services4/srvkm/env/linux/mmap.o] Error 1
make[5]: *** [drivers/gpu/drm/pvrsgx/Makefile:66: drivers/gpu/drm/pvrsgx/pvr] Error 2
make[4]: *** [scripts/Makefile.build:494: drivers/gpu/drm/pvrsgx] Error 2
make[3]: *** [scripts/Makefile.build:494: drivers/gpu/drm] Error 2
make[2]: *** [scripts/Makefile.build:494: drivers/gpu] Error 2
make[1]: *** [scripts/Makefile.build:494: drivers] Error 2
make: *** [Makefile:2026: .] Error 2
解法如下：
$ vim include/linux/mm_types.h +512
const vm_flags_t vm_flags;