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-rw-r--r--arch/um/kernel/ptrace.c21
1 files changed, 0 insertions, 21 deletions
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 484509948ee9..e0510496596c 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -7,9 +7,6 @@
#include "linux/ptrace.h"
#include "linux/sched.h"
#include "asm/uaccess.h"
-#ifdef CONFIG_PROC_MM
-#include "proc_mm.h"
-#endif
#include "skas_ptrace.h"
@@ -158,24 +155,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
}
#endif
-#ifdef CONFIG_PROC_MM
- case PTRACE_SWITCH_MM: {
- struct mm_struct *old = child->mm;
- struct mm_struct *new = proc_mm_get_mm(data);
-
- if (IS_ERR(new)) {
- ret = PTR_ERR(new);
- break;
- }
-
- atomic_inc(&new->mm_users);
- child->mm = new;
- child->active_mm = new;
- mmput(old);
- ret = 0;
- break;
- }
-#endif
#ifdef PTRACE_ARCH_PRCTL
case PTRACE_ARCH_PRCTL:
/* XXX Calls ptrace on the host - needs some SMP thinking */