s390: remove unused _ehead symbol

Since startup code now reserves memory ranges [0, PARMAREA_END] and
[_stext, <end of kernel>] _ehead symbol is not used and could be
cleaned up.

Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/include/asm/sections.h b/arch/s390/include/asm/sections.h
index 54f81f8..724faed 100644 (file)
--- a/arch/s390/include/asm/sections.h
+++ b/arch/s390/include/asm/sections.h
@@ -4,6 +4,4 @@
 
 #include <asm-generic/sections.h>
 
-extern char _ehead[];
-
 #endif

diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 6a840bc..161b795 100644 (file)
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -87,8 +87,6 @@ ENTRY(startup_continue)
 .Llinkage_stack:
        .long   0,0,0x89000000,0,0,0,0x8a000000,0
 
-ENTRY(_ehead)
-
 #
 # startup-code, running in absolute addressing mode
 #