[S390] Cleanup memory_chunk array usage.

Need this at yet another file and don't want to add yet another
extern...

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 7 deletions

diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index 077af54..375c2c4 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -14,12 +14,13 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/bootmem.h>
+#include <linux/ctype.h>
 #include <asm/page.h>
 #include <asm/ebcdic.h>
 #include <asm/errno.h>
 #include <asm/extmem.h>
 #include <asm/cpcmd.h>
-#include <linux/ctype.h>
+#include <asm/setup.h>
 
 #define DCSS_DEBUG	/* Debug messages on/off */
 
@@ -82,10 +83,6 @@ static struct list_head dcss_list = LIST_HEAD_INIT(dcss_list);
 static char *segtype_string[] = { "SW", "EW", "SR", "ER", "SN", "EN", "SC",
 					"EW/EN-MIXED" };
 
-extern struct {
-	unsigned long addr, size, type;
-} memory_chunk[MEMORY_CHUNKS];
-
 /*
  * Create the 8 bytes, ebcdic VM segment name from
  * an ascii name.
@@ -249,8 +246,8 @@ segment_overlaps_storage(struct dcss_segment *seg)
 {
 	int i;
 
-	for (i=0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) {
-		if (memory_chunk[i].type != 0)
+	for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) {
+		if (memory_chunk[i].type != CHUNK_READ_WRITE)
 			continue;
 		if ((memory_chunk[i].addr >> 20) > (seg->end >> 20))
 			continue;