implement sys_munmap()

2013-07-16 19:52:34 +09:00
parent 334662b7fe
commit deb9cd4e75
6 changed files with 254 additions and 87 deletions
--- a/kernel/include/process.h
+++ b/kernel/include/process.h
@@ -131,6 +131,8 @@ struct vm_range *lookup_process_memory_range(
 		struct process_vm *vm, uintptr_t start, uintptr_t end);
 struct vm_range *next_process_memory_range(
 		struct process_vm *vm, struct vm_range *range);
+struct vm_range *previous_process_memory_range(
+		struct process_vm *vm, struct vm_range *range);
 int remove_process_region(struct process *proc,
                          unsigned long start, unsigned long end);
 struct program_load_desc;