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-rw-r--r--include/linux/cma.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/cma.h b/include/linux/cma.h
index d15b64f51336..62d9c1cf6326 100644
--- a/include/linux/cma.h
+++ b/include/linux/cma.h
@@ -40,6 +40,9 @@ static inline int __init cma_declare_contiguous(phys_addr_t base,
return cma_declare_contiguous_nid(base, size, limit, alignment,
order_per_bit, fixed, name, res_cma, NUMA_NO_NODE);
}
+extern int __init cma_declare_contiguous_multi(phys_addr_t size,
+ phys_addr_t align, unsigned int order_per_bit,
+ const char *name, struct cma **res_cma, int nid);
extern int cma_init_reserved_mem(phys_addr_t base, phys_addr_t size,
unsigned int order_per_bit,
const char *name,
@@ -50,12 +53,14 @@ extern bool cma_pages_valid(struct cma *cma, const struct page *pages, unsigned
extern bool cma_release(struct cma *cma, const struct page *pages, unsigned long count);
extern int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data);
+extern bool cma_intersects(struct cma *cma, unsigned long start, unsigned long end);
extern void cma_reserve_pages_on_error(struct cma *cma);
#ifdef CONFIG_CMA
struct folio *cma_alloc_folio(struct cma *cma, int order, gfp_t gfp);
bool cma_free_folio(struct cma *cma, const struct folio *folio);
+bool cma_validate_zones(struct cma *cma);
#else
static inline struct folio *cma_alloc_folio(struct cma *cma, int order, gfp_t gfp)
{
@@ -66,6 +71,10 @@ static inline bool cma_free_folio(struct cma *cma, const struct folio *folio)
{
return false;
}
+static inline bool cma_validate_zones(struct cma *cma)
+{
+ return false;
+}
#endif
#endif