Merge tag 'x86_cache_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / mm / page_io.c

diff --git a/mm/page_io.c b/mm/page_io.c
index e485a6e..4ca28aa 100644 (file)
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -252,6 +252,16 @@ int swap_writepage(struct page *page, struct writeback_control *wbc)
                unlock_page(page);
                goto out;
        }
+       /*
+        * Arch code may have to preserve more data than just the page
+        * contents, e.g. memory tags.
+        */
+       ret = arch_prepare_to_swap(page);
+       if (ret) {
+               set_page_dirty(page);
+               unlock_page(page);
+               goto out;
+       }
        if (frontswap_store(page) == 0) {
                set_page_writeback(page);
                unlock_page(page);