memblock: Move memblock arrays to static storage in memblock.c and make their size a variable
This is in preparation for having resizable arrays.
Note that we still allocate one more than needed, this is unchanged from
the previous implementation.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index c9c7b0f..150be93 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -18,7 +18,7 @@
#include <asm/memblock.h>
-#define MAX_MEMBLOCK_REGIONS 128
+#define INIT_MEMBLOCK_REGIONS 128
struct memblock_region {
phys_addr_t base;
@@ -26,8 +26,9 @@
};
struct memblock_type {
- unsigned long cnt;
- struct memblock_region regions[MAX_MEMBLOCK_REGIONS+1];
+ unsigned long cnt; /* number of regions */
+ unsigned long max; /* size of the allocated array */
+ struct memblock_region *regions;
};
struct memblock {