madvise: support MADV_DONTDUMP/DODUMP

refs #661
2017-09-26 14:21:40 +09:00
parent 9c847c0a8f
commit a2fbe99b60
3 changed files with 21 additions and 2 deletions
--- a/arch/x86/kernel/gencore.c
+++ b/arch/x86/kernel/gencore.c
@ -310,6 +310,8 @@ int gencore(struct thread *thread, void *regs,
 		   mckernel's internal use. */		   
 		if (range->flag & VR_RESERVED)
 			continue;
+		if (range->flag & VR_DONTDUMP)
+			continue;
 		/* We need a chunk for each page for a demand paging area.
 		   This can be optimized for spacial complexity but we would
 		   lose simplicity instead. */