genalloc:support allocating specific region

[deliverable/linux.git] / include / linux / genalloc.h

diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h
index 3c676ce46ee096e267e001e47929ffd2cfc31ba1..29d4385903d456c274e56d258741fa51002881ce 100644 (file)
--- a/include/linux/genalloc.h
+++ b/include/linux/genalloc.h
@@ -84,6 +84,13 @@ struct genpool_data_align {
        int align;              /* alignment by bytes for starting address */
 };
 
+/*
+ *  gen_pool data descriptor for gen_pool_fixed_alloc.
+ */
+struct genpool_data_fixed {
+       unsigned long offset;           /* The offset of the specific region */
+};
+
 extern struct gen_pool *gen_pool_create(int, int);
 extern phys_addr_t gen_pool_virt_to_phys(struct gen_pool *pool, unsigned long);
 extern int gen_pool_add_virt(struct gen_pool *, unsigned long, phys_addr_t,
@@ -124,6 +131,10 @@ extern unsigned long gen_pool_first_fit(unsigned long *map, unsigned long size,
                unsigned long start, unsigned int nr, void *data,
                struct gen_pool *pool);
 
+extern unsigned long gen_pool_fixed_alloc(unsigned long *map,
+               unsigned long size, unsigned long start, unsigned int nr,
+               void *data, struct gen_pool *pool);
+
 extern unsigned long gen_pool_first_fit_align(unsigned long *map,
                unsigned long size, unsigned long start, unsigned int nr,
                void *data, struct gen_pool *pool);