diff options
Diffstat (limited to 'arch/arm/mm/init.c')
| -rw-r--r-- | arch/arm/mm/init.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 786adddf1a86..5dc7d127a40f 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -22,6 +22,7 @@ #include <linux/memblock.h> #include <asm/mach-types.h> +#include <asm/memblock.h> #include <asm/prom.h> #include <asm/sections.h> #include <asm/setup.h> @@ -31,6 +32,7 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include "mm.h" @@ -306,11 +308,25 @@ static void arm_memory_present(void) } #endif +static bool arm_memblock_steal_permitted = true; + +phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align) +{ + phys_addr_t phys; + + BUG_ON(!arm_memblock_steal_permitted); + + phys = memblock_alloc(size, align); + memblock_free(phys, size); + memblock_remove(phys, size); + + return phys; +} + void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc) { int i; - memblock_init(); for (i = 0; i < mi->nr_banks; i++) memblock_add(mi->bank[i].start, mi->bank[i].size); @@ -349,7 +365,8 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc) if (mdesc->reserve) mdesc->reserve(); - memblock_analyze(); + arm_memblock_steal_permitted = false; + memblock_allow_resize(); memblock_dump_all(); } |