implement mmap(MAP_POPULATE)

populate_process_memory() function is not efficient, because whether every small page is present is checked.
2014-01-24 21:27:18 +09:00
parent bdc945cb34
commit f0a52d4519
5 changed files with 93 additions and 1 deletions
--- a/kernel/include/process.h
+++ b/kernel/include/process.h
@ -163,6 +163,7 @@ void hold_process(struct process *proc);
 void free_process(struct process *proc);
 void flush_process_memory(struct process *proc);
 void free_process_memory(struct process *proc);
+int populate_process_memory(struct process *proc, void *start, size_t len);

 int add_process_memory_range(struct process *process,
                             unsigned long start, unsigned long end,