Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
---
lib/x86/vm.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/lib/x86/vm.c b/lib/x86/vm.c
index 906fbf2..9771bd7 100644
--- a/lib/x86/vm.c
+++ b/lib/x86/vm.c
@@ -151,9 +151,16 @@ static void setup_mmu(unsigned long len)
void setup_vm()
{
+ static bool vm_inited = false;
+
+ if (vm_inited) {
+ return;
+ }
+
end_of_memory = fwcfg_get_u64(FW_CFG_RAM_SIZE);
free_memory(&edata, end_of_memory - (unsigned long)&edata);
setup_mmu(end_of_memory);
+ vm_inited = true;
}
void *vmalloc(unsigned long size)
--
2.7.4
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