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-rw-r--r--sys/src/9/xen/mem.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/sys/src/9/xen/mem.h b/sys/src/9/xen/mem.h
index c4a6886ef..702d0ee87 100644
--- a/sys/src/9/xen/mem.h
+++ b/sys/src/9/xen/mem.h
@@ -58,8 +58,6 @@
#define KTZERO 0x80010000 /* first address in kernel text */
#define USTKTOP (KZERO-BY2PG) /* byte just beyond user stack */
#define USTKSIZE (16*1024*1024) /* size of user stack */
-#define TSTKTOP (USTKTOP-USTKSIZE) /* end of new stack in sysexec */
-#define TSTKSIZ 100
/*
* known x86 segments (in GDT) and their selectors