mm, page_vma_mapped: Drop faulty pointer arithmetics in check_pte()

[mirror_ubuntu-bionic-kernel.git] / include / linux / swapops.h

diff --git a/include/linux/swapops.h b/include/linux/swapops.h
index 9c5a2628d6ce7b4f09e7542505c7b00ed0c8db8a..1d3877c39a000a6e5a4fb7647a38de51c5c47c50 100644 (file)
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -124,6 +124,11 @@ static inline bool is_write_device_private_entry(swp_entry_t entry)
        return unlikely(swp_type(entry) == SWP_DEVICE_WRITE);
 }
 
+static inline unsigned long device_private_entry_to_pfn(swp_entry_t entry)
+{
+       return swp_offset(entry);
+}
+
 static inline struct page *device_private_entry_to_page(swp_entry_t entry)
 {
        return pfn_to_page(swp_offset(entry));
@@ -154,6 +159,11 @@ static inline bool is_write_device_private_entry(swp_entry_t entry)
        return false;
 }
 
+static inline unsigned long device_private_entry_to_pfn(swp_entry_t entry)
+{
+       return 0;
+}
+
 static inline struct page *device_private_entry_to_page(swp_entry_t entry)
 {
        return NULL;
@@ -189,6 +199,11 @@ static inline int is_write_migration_entry(swp_entry_t entry)
        return unlikely(swp_type(entry) == SWP_MIGRATION_WRITE);
 }
 
+static inline unsigned long migration_entry_to_pfn(swp_entry_t entry)
+{
+       return swp_offset(entry);
+}
+
 static inline struct page *migration_entry_to_page(swp_entry_t entry)
 {
        struct page *p = pfn_to_page(swp_offset(entry));
@@ -218,6 +233,12 @@ static inline int is_migration_entry(swp_entry_t swp)
 {
        return 0;
 }
+
+static inline unsigned long migration_entry_to_pfn(swp_entry_t entry)
+{
+       return 0;
+}
+
 static inline struct page *migration_entry_to_page(swp_entry_t entry)
 {
        return NULL;