parasite, restorer: Cleanup ld scripts

There is no need for specific parasite or restorer
head sections, a general "head" one is enough.

Also .stack section is dropped since it's never used.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

include/parasite.h

@@ -11,7 +11,7 @@
 
 #include "util-net.h"
 
-#define __parasite_head		__used __section(.parasite.head.text)
+#define __head __used __section(.head.text)
 
 #define PARASITE_STACK_SIZE	2048
 #define PARASITE_ARG_SIZE	8196

parasite.c

@@ -494,7 +494,7 @@ static int __used parasite_service(unsigned long cmd, void *args)
 	return -1;
 }
 
-static void __parasite_head __used parasite_head(void)
+static void __head parasite_head(void)
 {
 	/*
 	 * The linker will handle the stack allocation.

parasite.lds.S

@@ -5,7 +5,7 @@ SECTIONS
 {
 	. = 0;
 	.text : {
-		*(.parasite.head.text)
+		*(.head.text)
 		*(.text)
 		. = ALIGN(8);
 	}
@@ -13,7 +13,6 @@ SECTIONS
 		*(.data)
 		*(.rodata)
 		*(.bss)
-		*(.parasite.stack)
 		. = ALIGN(8);
 	}
 }

restorer.lds.S

@@ -5,7 +5,7 @@ SECTIONS
 {
 	. = 0;
 	.text : {
-		*(.restorer.head.text)
+		*(.head.text)
 		*(.text)
 		. = ALIGN(8);
 	}
@@ -13,7 +13,6 @@ SECTIONS
 		*(.data)
 		*(.rodata)
 		*(.bss)
-		*(.restorer.stack)
 		. = ALIGN(8);
 	}
 }