drivers/misc/pmem.c: In function 'pmem_free_bitmap':
drivers/misc/pmem.c:706: error: dereferencing pointer to incomplete type
drivers/misc/pmem.c:726: error: dereferencing pointer to incomplete type
drivers/misc/pmem.c:727: error: implicit declaration of function 'get_task_comm'
drivers/misc/pmem.c:727: warning: format '%s' expects type 'char *', but argument 6 has type 'int'
drivers/misc/pmem.c:706: warning: unused variable 'currtask_name'
drivers/misc/pmem.c: In function 'pmem_release':
drivers/misc/pmem.c:829: error: implicit declaration of function 'put_task_struct'
drivers/misc/pmem.c: In function 'pmem_mmap':
drivers/misc/pmem.c:1513: error: implicit declaration of function 'get_task_struct'
drivers/misc/pmem.c:1513: error: dereferencing pointer to incomplete type
drivers/misc/pmem.c:1514: error: dereferencing pointer to incomplete type
drivers/misc/pmem.c:1528: error: dereferencing pointer to incomplete type
drivers/misc/pmem.c: In function 'pmem_cache_maint':
drivers/misc/pmem.c:1796: error: implicit declaration of function 'clean_and_invalidate_caches'
drivers/misc/pmem.c:1799: error: implicit declaration of function 'clean_caches'
drivers/misc/pmem.c:1801: error: implicit declaration of function 'invalidate_caches'
drivers/misc/pmem.c: In function 'pmem_unlock_data_and_mm':
drivers/misc/pmem.c:2037: error: implicit declaration of function 'mmput'
drivers/misc/pmem.c: In function 'pmem_lock_data_and_mm':
drivers/misc/pmem.c:2057: error: implicit declaration of function 'get_task_mm'
drivers/misc/pmem.c:2057: warning: assignment makes pointer from integer without a cast
make[2]: *** [drivers/misc/pmem.o] Error 1
make[1]: *** [drivers/misc] Error 2
make: *** [drivers] Error 2