nvgpu_mem.c uses vmap(), which is defined in linux/vmalloc.h, but does not include it. Add the missing #include. Change-Id: I38a44083f08f91df50e372c7f1732e2ad27c6bb1 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1607578 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>