static struct vmap_area *alloc_vmap_area(unsigned long size,
unsigned long align,
unsigned long vstart, unsigned long vend,
- int node, gfp_t gfp_mask)
+ int node, gfp_t gfp_mask,
+ unsigned long va_flags)
{
struct vmap_area *va;
unsigned long freed;
va->va_start = addr;
va->va_end = addr + size;
va->vm = NULL;
+ va->flags = va_flags;
spin_lock(&vmap_area_lock);
insert_vmap_area(va, &vmap_area_root, &vmap_area_list);
#define VMAP_BLOCK_SIZE (VMAP_BBMAP_BITS * PAGE_SIZE)
+#define VMAP_RAM 0x1 /* indicates vm_map_ram area*/
+#define VMAP_BLOCK 0x2 /* mark out the vmap_block sub-type*/
+#define VMAP_FLAGS_MASK 0x3
+
struct vmap_block_queue {
spinlock_t lock;
struct list_head free;
va = alloc_vmap_area(VMAP_BLOCK_SIZE, VMAP_BLOCK_SIZE,
VMALLOC_START, VMALLOC_END,
- node, gfp_mask);
+ node, gfp_mask,
+ VMAP_RAM|VMAP_BLOCK);
if (IS_ERR(va)) {
kfree(vb);
return ERR_CAST(va);
} else {
struct vmap_area *va;
va = alloc_vmap_area(size, PAGE_SIZE,
- VMALLOC_START, VMALLOC_END, node, GFP_KERNEL);
+ VMALLOC_START, VMALLOC_END,
+ node, GFP_KERNEL, VMAP_RAM);
if (IS_ERR(va))
return NULL;
if (!(flags & VM_NO_GUARD))
size += PAGE_SIZE;
- va = alloc_vmap_area(size, align, start, end, node, gfp_mask);
+ va = alloc_vmap_area(size, align, start, end, node, gfp_mask, 0);
if (IS_ERR(va)) {
kfree(area);
return NULL;