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Diffstat (limited to 'include/linux/memremap.h')
-rw-r--r--include/linux/memremap.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/memremap.h b/include/linux/memremap.h
index f5b464daeeca..b46f63dcaed3 100644
--- a/include/linux/memremap.h
+++ b/include/linux/memremap.h
@@ -17,7 +17,7 @@ struct device;
* @alloc: track pages consumed, private to vmemmap_populate()
*/
struct vmem_altmap {
- const unsigned long base_pfn;
+ unsigned long base_pfn;
const unsigned long end_pfn;
const unsigned long reserve;
unsigned long free;
@@ -131,6 +131,7 @@ static inline struct vmem_altmap *pgmap_altmap(struct dev_pagemap *pgmap)
}
#ifdef CONFIG_ZONE_DEVICE
+bool pfn_zone_device_reserved(unsigned long pfn);
void *memremap_pages(struct dev_pagemap *pgmap, int nid);
void memunmap_pages(struct dev_pagemap *pgmap);
void *devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap);
@@ -143,6 +144,11 @@ unsigned long vmem_altmap_offset(struct vmem_altmap *altmap);
void vmem_altmap_free(struct vmem_altmap *altmap, unsigned long nr_pfns);
unsigned long memremap_compat_align(void);
#else
+static inline bool pfn_zone_device_reserved(unsigned long pfn)
+{
+ return false;
+}
+
static inline void *devm_memremap_pages(struct device *dev,
struct dev_pagemap *pgmap)
{