mmap: add "flags" checks for MAP_HUGE*

2016-03-17 20:02:16 +09:00
parent 261bddb999
commit d4d93df032
3 changed files with 43 additions and 10 deletions
--- a/arch/x86/kernel/include/arch/mman.h
+++ b/arch/x86/kernel/include/arch/mman.h
@ -27,6 +27,10 @@
 #define	MAP_STACK	0x00020000
 #define	MAP_HUGETLB	0x00040000

+#define MAP_HUGE_SHIFT  26
+#define MAP_HUGE_2MB    (21 << MAP_HUGE_SHIFT)
+#define MAP_HUGE_1GB    (30 << MAP_HUGE_SHIFT)
+
 /*
 * for mlockall()
 */