[PATCH v4 1/4] cleanup: add dbgprint_mem_range function

[WANG Chao]

dbgprint_mem_range is used for printing the given memory range under
debugging mode.

Signed-off-by: WANG Chao <chaowang at redhat.com>
Tested-by: Linn Crosetto <linn at hp.com>
---
 kexec/arch/i386/kexec-x86-common.c |  6 +-----
 kexec/kexec.c                      | 10 ++++++++++
 kexec/kexec.h                      |  1 +
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/kexec/arch/i386/kexec-x86-common.c b/kexec/arch/i386/kexec-x86-common.c
index f55e2c2..e416177 100644
--- a/kexec/arch/i386/kexec-x86-common.c
+++ b/kexec/arch/i386/kexec-x86-common.c
@@ -374,11 +374,7 @@ int get_memory_ranges(struct memory_range **range, int *ranges,
 			mem_max = end;
 	}
 
-	dbgprintf("MEMORY RANGES\n");
-	for (i = 0; i < *ranges; i++) {
-		dbgprintf("%016Lx-%016Lx (%d)\n", (*range)[i].start,
-			  (*range)[i].end, (*range)[i].type);
-	}
+	dbgprint_mem_range("MEMORY RANGES", *range, *ranges);
 
 	return ret;
 }
diff --git a/kexec/kexec.c b/kexec/kexec.c
index 382f86a..133e622 100644
--- a/kexec/kexec.c
+++ b/kexec/kexec.c
@@ -53,6 +53,16 @@ unsigned long long mem_max = ULONG_MAX;
 static unsigned long kexec_flags = 0;
 int kexec_debug = 0;
 
+void dbgprint_mem_range(const char *prefix, struct memory_range *mr, int nr_mr)
+{
+	int i;
+	dbgprintf("%s\n", prefix);
+	for (i = 0; i < nr_mr; i++) {
+		dbgprintf("%016llx-%016llx (%d)\n", mr[i].start,
+			  mr[i].end, mr[i].type);
+	}
+}
+
 void die(const char *fmt, ...)
 {
 	va_list args;
diff --git a/kexec/kexec.h b/kexec/kexec.h
index 2bd6e96..d69bba2 100644
--- a/kexec/kexec.h
+++ b/kexec/kexec.h
@@ -232,6 +232,7 @@ extern int file_types;
 
 #define KEXEC_OPT_STR "h?vdfxluet:p"
 
+extern void dbgprint_mem_range(const char *prefix, struct memory_range *mr, int nr_mr);
 extern void die(const char *fmt, ...)
 	__attribute__ ((format (printf, 1, 2)));
 extern void *xmalloc(size_t size);
-- 
1.8.5.3