memblock: Make MEMBLOCK_ERROR be 0

And ensure we don't hand out 0 as a valid allocation. We put the
low limit at PAGE_SIZE arbitrarily.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2010-07-28 15:25:10 +10:00
parent 37d8d4bf48
commit 25818f0f28
2 changed files with 7 additions and 1 deletions

View file

@ -19,7 +19,7 @@
#include <asm/memblock.h>
#define INIT_MEMBLOCK_REGIONS 128
#define MEMBLOCK_ERROR (~(phys_addr_t)0)
#define MEMBLOCK_ERROR 0
struct memblock_region {
phys_addr_t base;