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-rw-r--r--sys/i386/linux/linux.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/i386/linux/linux.h b/sys/i386/linux/linux.h
index 78958db..d02614b 100644
--- a/sys/i386/linux/linux.h
+++ b/sys/i386/linux/linux.h
@@ -47,6 +47,9 @@ extern u_char linux_debug_map[];
MALLOC_DECLARE(M_LINUX);
#endif
+#define LINUX_SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE)
+#define LINUX_USRSTACK LINUX_SHAREDPAGE
+
#define PTRIN(v) (void *)(v)
#define PTROUT(v) (l_uintptr_t)(v)
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