support madvise(MADV_DONTFORK)

2016-09-01 11:22:53 +09:00
parent b5e4459a34
commit 7c562d0539
3 changed files with 110 additions and 0 deletions
--- a/kernel/process.c
+++ b/kernel/process.c
@@ -571,6 +571,9 @@ static int copy_user_ranges(struct process_vm *vm, struct process_vm *orgvm)
 			break;
 		}

+		if(src_range->flag & VR_DONTFORK)
+			continue;
+
 		range = kmalloc(sizeof(struct vm_range), IHK_MC_AP_NOWAIT);
 		if (!range) {
 			goto err_rollback;