memcg: move charges to root cgroup if use_hierarchy=0

[pandora-kernel.git] / mm / nobootmem.c

diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 1983fb1..d23415c 100644 (file)
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -274,86 +274,85 @@ void * __init __alloc_bootmem(unsigned long size, unsigned long align,
        return ___alloc_bootmem(size, align, goal, limit);
 }
 
-/**
- * __alloc_bootmem_node - allocate boot memory from a specific node
- * @pgdat: node to allocate from
- * @size: size of the request in bytes
- * @align: alignment of the region
- * @goal: preferred starting address of the region
- *
- * The goal is dropped if it can not be satisfied and the allocation will
- * fall back to memory below @goal.
- *
- * Allocation may fall back to any node in the system if the specified node
- * can not hold the requested memory.
- *
- * The function panics if the request can not be satisfied.
- */
-void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
-                                  unsigned long align, unsigned long goal)
+static void * __init ___alloc_bootmem_node_nopanic(pg_data_t *pgdat,
+                                                  unsigned long size,
+                                                  unsigned long align,
+                                                  unsigned long goal,
+                                                  unsigned long limit)
 {
        void *ptr;
 
-       if (WARN_ON_ONCE(slab_is_available()))
-               return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
-
 again:
        ptr = __alloc_memory_core_early(pgdat->node_id, size, align,
-                                        goal, -1ULL);
+                                       goal, limit);
        if (ptr)
                return ptr;
 
        ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align,
-                                       goal, -1ULL);
-       if (!ptr && goal) {
+                                       goal, limit);
+       if (ptr)
+               return ptr;
+
+       if (goal) {
                goal = 0;
                goto again;
        }
-       return ptr;
+
+       return NULL;
 }
 
-void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
+void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
                                   unsigned long align, unsigned long goal)
 {
-       return __alloc_bootmem_node(pgdat, size, align, goal);
+       if (WARN_ON_ONCE(slab_is_available()))
+               return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
+
+       return ___alloc_bootmem_node_nopanic(pgdat, size, align, goal, 0);
 }
 
-#ifdef CONFIG_SPARSEMEM
-/**
- * alloc_bootmem_section - allocate boot memory from a specific section
- * @size: size of the request in bytes
- * @section_nr: sparse map section to allocate from
- *
- * Return NULL on failure.
- */
-void * __init alloc_bootmem_section(unsigned long size,
-                                   unsigned long section_nr)
+void * __init ___alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
+                                   unsigned long align, unsigned long goal,
+                                   unsigned long limit)
 {
-       unsigned long pfn, goal, limit;
+       void *ptr;
 
-       pfn = section_nr_to_pfn(section_nr);
-       goal = pfn << PAGE_SHIFT;
-       limit = section_nr_to_pfn(section_nr + 1) << PAGE_SHIFT;
+       ptr = ___alloc_bootmem_node_nopanic(pgdat, size, align, goal, limit);
+       if (ptr)
+               return ptr;
 
-       return __alloc_memory_core_early(early_pfn_to_nid(pfn), size,
-                                        SMP_CACHE_BYTES, goal, limit);
+       printk(KERN_ALERT "bootmem alloc of %lu bytes failed!\n", size);
+       panic("Out of memory");
+       return NULL;
 }
-#endif
 
-void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
+/**
+ * __alloc_bootmem_node - allocate boot memory from a specific node
+ * @pgdat: node to allocate from
+ * @size: size of the request in bytes
+ * @align: alignment of the region
+ * @goal: preferred starting address of the region
+ *
+ * The goal is dropped if it can not be satisfied and the allocation will
+ * fall back to memory below @goal.
+ *
+ * Allocation may fall back to any node in the system if the specified node
+ * can not hold the requested memory.
+ *
+ * The function panics if the request can not be satisfied.
+ */
+void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
                                   unsigned long align, unsigned long goal)
 {
-       void *ptr;
-
        if (WARN_ON_ONCE(slab_is_available()))
                return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
 
-       ptr =  __alloc_memory_core_early(pgdat->node_id, size, align,
-                                                goal, -1ULL);
-       if (ptr)
-               return ptr;
+       return ___alloc_bootmem_node(pgdat, size, align, goal, 0);
+}
 
-       return __alloc_bootmem_nopanic(size, align, goal);
+void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
+                                  unsigned long align, unsigned long goal)
+{
+       return __alloc_bootmem_node(pgdat, size, align, goal);
 }
 
 #ifndef ARCH_LOW_ADDRESS_LIMIT
@@ -397,16 +396,9 @@ void * __init __alloc_bootmem_low(unsigned long size, unsigned long align,
 void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size,
                                       unsigned long align, unsigned long goal)
 {
-       void *ptr;
-
        if (WARN_ON_ONCE(slab_is_available()))
                return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
 
-       ptr = __alloc_memory_core_early(pgdat->node_id, size, align,
-                               goal, ARCH_LOW_ADDRESS_LIMIT);
-       if (ptr)
-               return ptr;
-
-       return  __alloc_memory_core_early(MAX_NUMNODES, size, align,
-                               goal, ARCH_LOW_ADDRESS_LIMIT);
+       return ___alloc_bootmem_node(pgdat, size, align, goal,
+                                    ARCH_LOW_ADDRESS_LIMIT);
 }