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-rw-r--r--include/linux/swapops.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/swapops.h b/include/linux/swapops.h
index fe220df499f1..f24775b41880 100644
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -108,6 +108,16 @@ static inline void *swp_to_radix_entry(swp_entry_t entry)
return xa_mk_value(entry.val);
}
+static inline swp_entry_t make_swapin_error_entry(struct page *page)
+{
+ return swp_entry(SWP_SWAPIN_ERROR, page_to_pfn(page));
+}
+
+static inline int is_swapin_error_entry(swp_entry_t entry)
+{
+ return swp_type(entry) == SWP_SWAPIN_ERROR;
+}
+
#if IS_ENABLED(CONFIG_DEVICE_PRIVATE)
static inline swp_entry_t make_readable_device_private_entry(pgoff_t offset)
{