* are top-down.
*/
-static phys_addr_t __init memblock_find_region(phys_addr_t start, phys_addr_t end,
+static phys_addr_t __init_memblock memblock_find_region(phys_addr_t start, phys_addr_t end,
phys_addr_t size, phys_addr_t align)
{
phys_addr_t base, res_base;
long j;
+ /* In case, huge size is requested */
+ if (end < size)
+ return MEMBLOCK_ERROR;
+
+ base = memblock_align_down((end - size), align);
+
/* Prevent allocations returning 0 as it's also used to
* indicate an allocation failure
*/
if (start == 0)
start = PAGE_SIZE;
- base = memblock_align_down((end - size), align);
while (start <= base) {
j = memblock_overlaps_region(&memblock.reserved, base, size);
if (j < 0)
return MEMBLOCK_ERROR;
}
-static phys_addr_t __init memblock_find_base(phys_addr_t size, phys_addr_t align,
- phys_addr_t start, phys_addr_t end)
+static phys_addr_t __init_memblock memblock_find_base(phys_addr_t size,
+ phys_addr_t align, phys_addr_t start, phys_addr_t end)
{
long i;
return __memblock_remove(&memblock.memory, base, size);
}
-long __init memblock_free(phys_addr_t base, phys_addr_t size)
+long __init_memblock memblock_free(phys_addr_t base, phys_addr_t size)
{
return __memblock_remove(&memblock.reserved, base, size);
}
-long __init memblock_reserve(phys_addr_t base, phys_addr_t size)
+long __init_memblock memblock_reserve(phys_addr_t base, phys_addr_t size)
{
struct memblock_type *_rgn = &memblock.reserved;
}
}
-static int memblock_search(struct memblock_type *type, phys_addr_t addr)
+static int __init_memblock memblock_search(struct memblock_type *type, phys_addr_t addr)
{
unsigned int left = 0, right = type->cnt;
return memblock_search(&memblock.reserved, addr) != -1;
}
-int memblock_is_memory(phys_addr_t addr)
+int __init_memblock memblock_is_memory(phys_addr_t addr)
{
return memblock_search(&memblock.memory, addr) != -1;
}
-int memblock_is_region_memory(phys_addr_t base, phys_addr_t size)
+int __init_memblock memblock_is_region_memory(phys_addr_t base, phys_addr_t size)
{
int idx = memblock_search(&memblock.reserved, base);
}
-void __init memblock_set_current_limit(phys_addr_t limit)
+void __init_memblock memblock_set_current_limit(phys_addr_t limit)
{
memblock.current_limit = limit;
}
void __init memblock_init(void)
{
+ static int init_done __initdata = 0;
+
+ if (init_done)
+ return;
+ init_done = 1;
+
/* Hookup the initial arrays */
memblock.memory.regions = memblock_memory_init_regions;
memblock.memory.max = INIT_MEMBLOCK_REGIONS;