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/kernel/include/process.h
+++ b/kernel/include/process.h
@ -52,6 +52,7 @@
 #define	VR_MEMTYPE_UC      0x01000000	/* uncachable */
 #define	VR_MEMTYPE_MASK    0x0f000000
 #define VR_PAGEOUT	   0x10000000
+#define VR_DONTDUMP	   0x20000000

 #define	PROT_TO_VR_FLAG(prot)	(((unsigned long)(prot) << 16) & VR_PROT_MASK)
 #define	VRFLAG_PROT_TO_MAXPROT(vrflag)	(((vrflag) & VR_PROT_MASK) << 4)