Doesn't compile on Ubuntu 16.04

[rbabchis]

My skills are limited, but I got this far. I'd love to try out kgpu some day.

Cloned the repo and ran make:

mkdir -p build
make -C kgpu  kv= BUILD_DIR=`pwd`/build
make[1]: Entering directory '/home/rbabchis/kgpu/kgpu/kgpu'
make -C /lib/modules/4.4.0-22-generic/build M=`pwd` modules
make[2]: Entering directory '/usr/src/linux-headers-4.4.0-22-generic'
  CC [M]  /home/rbabchis/kgpu/kgpu/kgpu/main.o
/home/rbabchis/kgpu/kgpu/kgpu/main.c: In function ‘kgpu_mmap’:
/home/rbabchis/kgpu/kgpu/kgpu/main.c:923:22: error: ‘VM_RESERVED’ undeclared (first use in this function)
     vma->vm_flags |= VM_RESERVED;
                      ^
/home/rbabchis/kgpu/kgpu/kgpu/main.c:923:22: note: each undeclared identifier is reported only once for each function it appears in
scripts/Makefile.build:258: recipe for target '/home/rbabchis/kgpu/kgpu/kgpu/main.o' failed
make[3]: *** [/home/rbabchis/kgpu/kgpu/kgpu/main.o] Error 1
Makefile:1396: recipe for target '_module_/home/rbabchis/kgpu/kgpu/kgpu' failed
make[2]: *** [_module_/home/rbabchis/kgpu/kgpu/kgpu] Error 2
make[2]: Leaving directory '/usr/src/linux-headers-4.4.0-22-generic'
Makefile:8: recipe for target 'kgpu' failed
make[1]: *** [kgpu] Error 2
make[1]: Leaving directory '/home/rbabchis/kgpu/kgpu/kgpu'
Makefile:9: recipe for target 'kgpu' failed
make: *** [kgpu] Error 2

Tried to fix the error, then get this after make:

mkdir -p build
make -C kgpu  kv= BUILD_DIR=`pwd`/build
make[1]: Entering directory '/home/rbabchis/kgpu/kgpu'
make -C /lib/modules/4.4.0-22-generic/build M=`pwd` modules
make[2]: Entering directory '/usr/src/linux-headers-4.4.0-22-generic'
  CC [M]  /home/rbabchis/kgpu/kgpu/main.o
  CC [M]  /home/rbabchis/kgpu/kgpu/kgpu_kutils.o
  CC [M]  /home/rbabchis/kgpu/kgpu/kgpu_log.o
  LD [M]  /home/rbabchis/kgpu/kgpu/kgpu.o
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /home/rbabchis/kgpu/kgpu/kgpu.mod.o
  LD [M]  /home/rbabchis/kgpu/kgpu/kgpu.ko
make[2]: Leaving directory '/usr/src/linux-headers-4.4.0-22-generic'
cp kgpu.ko /home/rbabchis/kgpu/build/  
gcc -O2 -D__KGPU__ -c kgpu_log.c -o kgpu_log_user.o
ar -rcs kgpu_log.a kgpu_log_user.o
cp kgpu_log.a /home/rbabchis/kgpu/build/ 
gcc -O2 -D__KGPU__ -c helper.c
gcc -O2 -D__KGPU__ -c service.c
nvcc -O2 -D__KGPU__ -D_FORCE_INLINES -c -arch=sm_20 gpuops.cu
nvcc -link -D__KGPU__ -O2 -arch=sm_20 service.o helper.o kgpu_log_user.o gpuops.o -o helper -ldl
cp helper /home/rbabchis/kgpu/build/ 
make[1]: Leaving directory '/home/rbabchis/kgpu/kgpu'
make -C services  kv= BUILD_DIR=`pwd`/build
make[1]: Entering directory '/home/rbabchis/kgpu/services'
make -C gaes  kv= BUILD_DIR=/home/rbabchis/kgpu/build
make[2]: Entering directory '/home/rbabchis/kgpu/services/gaes'
make -C callaes  BUILD_DIR=/home/rbabchis/kgpu/build
make[3]: Entering directory '/home/rbabchis/kgpu/services/gaes/callaes'
make -C /lib/modules/4.4.0-22-generic/build M=/home/rbabchis/kgpu/services/gaes/callaes modules
make[4]: Entering directory '/usr/src/linux-headers-4.4.0-22-generic'
  CC [M]  /home/rbabchis/kgpu/services/gaes/callaes/callgaes.o                                                                 
  Building modules, stage 2.                                                                                                   
  MODPOST 1 modules                                                                                                            
  CC      /home/rbabchis/kgpu/services/gaes/callaes/callgaes.mod.o                                                             
  LD [M]  /home/rbabchis/kgpu/services/gaes/callaes/callgaes.ko                                                                
make[4]: Leaving directory '/usr/src/linux-headers-4.4.0-22-generic'                                                           
cp callgaes.ko /home/rbabchis/kgpu/build/                                                                                      
make[3]: Leaving directory '/home/rbabchis/kgpu/services/gaes/callaes'
make -C ecryptfs  BUILD_DIR=/home/rbabchis/kgpu/build
make[3]: Entering directory '/home/rbabchis/kgpu/services/gaes/ecryptfs'
make -C /lib/modules/4.4.0-22-generic/build M=/home/rbabchis/kgpu/services/gaes/ecryptfs modules
make[4]: Entering directory '/usr/src/linux-headers-4.4.0-22-generic'
  CC [M]  /home/rbabchis/kgpu/services/gaes/ecryptfs/dentry.o
/home/rbabchis/kgpu/services/gaes/ecryptfs/dentry.c: In function ‘ecryptfs_d_revalidate’:
/home/rbabchis/kgpu/services/gaes/ecryptfs/dentry.c:59:14: error: dereferencing pointer to incomplete type ‘struct nameidata’
  if (nd && nd->flags & LOOKUP_RCU)
              ^
/home/rbabchis/kgpu/services/gaes/ecryptfs/dentry.c:72:54: warning: passing argument 2 of ‘lower_dentry->d_op->d_revalidate’ makes integer from pointer without a cast [-Wint-conversion]
  rc = lower_dentry->d_op->d_revalidate(lower_dentry, nd);
                                                      ^
/home/rbabchis/kgpu/services/gaes/ecryptfs/dentry.c:72:54: note: expected ‘unsigned int’ but argument is of type ‘struct nameidata *’
/home/rbabchis/kgpu/services/gaes/ecryptfs/dentry.c: At top level:
/home/rbabchis/kgpu/services/gaes/ecryptfs/dentry.c:109:18: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types]
  .d_revalidate = ecryptfs_d_revalidate,
                  ^
/home/rbabchis/kgpu/services/gaes/ecryptfs/dentry.c:109:18: note: (near initialization for ‘ecryptfs_dops.d_revalidate’)
scripts/Makefile.build:258: recipe for target '/home/rbabchis/kgpu/services/gaes/ecryptfs/dentry.o' failed
make[5]: *** [/home/rbabchis/kgpu/services/gaes/ecryptfs/dentry.o] Error 1
Makefile:1396: recipe for target '_module_/home/rbabchis/kgpu/services/gaes/ecryptfs' failed
make[4]: *** [_module_/home/rbabchis/kgpu/services/gaes/ecryptfs] Error 2
make[4]: Leaving directory '/usr/src/linux-headers-4.4.0-22-generic'
Makefile:10: recipe for target 'all' failed
make[3]: *** [all] Error 2
make[3]: Leaving directory '/home/rbabchis/kgpu/services/gaes/ecryptfs'
Makefile:8: recipe for target 'ecryptfs' failed
make[2]: *** [ecryptfs] Error 2
make[2]: Leaving directory '/home/rbabchis/kgpu/services/gaes'
Makefile:8: recipe for target 'gaes' failed
make[1]: *** [gaes] Error 2
make[1]: Leaving directory '/home/rbabchis/kgpu/services'
Makefile:9: recipe for target 'services' failed
make: *** [services] Error 2

[jamesbolden]

I'm having the same issue. I assume it's incompatibility with at least 4.4+. Are there any plans to update?