Displaying 1 result from an estimated 1 matches for "mfn_zero".
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pfn_zero
2008 Jan 18
0
[PATCH] minios: support COW for a zero page
...amuel.thibault@eu.citrix.com>
diff -r 27ad7ed41be2 extras/mini-os/arch/x86/mm.c
--- a/extras/mini-os/arch/x86/mm.c Fri Jan 18 15:55:13 2008 +0000
+++ b/extras/mini-os/arch/x86/mm.c Fri Jan 18 16:02:32 2008 +0000
@@ -50,6 +50,7 @@
#endif
unsigned long *phys_to_machine_mapping;
+unsigned long mfn_zero;
extern char stack[];
extern void page_walk(unsigned long virt_addr);
@@ -492,10 +493,13 @@ static void clear_bootstrap(void)
static void clear_bootstrap(void)
{
struct xen_memory_reservation reservation;
- xen_pfn_t mfns[] = { virt_to_mfn(0), virt_to_mfn(&shared_info) };
+ xen...