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-rw-r--r--include/linux/mm.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 6549d0979b28..758e5b90a363 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -97,6 +97,10 @@ extern const int mmap_rnd_compat_bits_max;
extern int mmap_rnd_compat_bits __read_mostly;
#endif
+#ifndef PHYSMEM_END
+# define PHYSMEM_END ((1ULL << MAX_PHYSMEM_BITS) - 1)
+#endif
+
#include <asm/page.h>
#include <asm/processor.h>
@@ -1597,6 +1601,7 @@ void unpin_user_pages_dirty_lock(struct page **pages, unsigned long npages,
void unpin_user_page_range_dirty_lock(struct page *page, unsigned long npages,
bool make_dirty);
void unpin_user_pages(struct page **pages, unsigned long npages);
+void unpin_user_folio(struct folio *folio, unsigned long npages);
void unpin_folios(struct folio **folios, unsigned long nfolios);
static inline bool is_cow_mapping(vm_flags_t flags)