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-rw-r--r--arch/um/include/shared/as-layout.h3
-rw-r--r--arch/um/include/shared/os.h1
2 files changed, 1 insertions, 3 deletions
diff --git a/arch/um/include/shared/as-layout.h b/arch/um/include/shared/as-layout.h
index 694c792bab4..41c8c774ec1 100644
--- a/arch/um/include/shared/as-layout.h
+++ b/arch/um/include/shared/as-layout.h
@@ -44,7 +44,6 @@ struct cpu_task {
extern struct cpu_task cpu_tasks[];
-extern unsigned long low_physmem;
extern unsigned long high_physmem;
extern unsigned long uml_physmem;
extern unsigned long uml_reserved;
@@ -52,8 +51,6 @@ extern unsigned long end_vm;
extern unsigned long start_vm;
extern unsigned long long highmem;
-extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end;
-extern unsigned long _unprotected_end;
extern unsigned long brk_start;
extern unsigned long host_task_size;
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h
index 021104d98cb..75298d3358e 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -227,6 +227,7 @@ extern void block_signals(void);
extern void unblock_signals(void);
extern int get_signals(void);
extern int set_signals(int enable);
+extern int os_is_signal_stack(void);
/* util.c */
extern void stack_protections(unsigned long address);