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-rw-r--r--include/linux/page-flags.h8
1 files changed, 0 insertions, 8 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 70473da47b3..6d53675c2b5 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -303,21 +303,13 @@ static inline void __SetPageUptodate(struct page *page)
static inline void SetPageUptodate(struct page *page)
{
-#ifdef CONFIG_S390
- if (!test_and_set_bit(PG_uptodate, &page->flags))
- page_set_storage_key(page_to_phys(page), PAGE_DEFAULT_KEY, 0);
-#else
/*
* Memory barrier must be issued before setting the PG_uptodate bit,
* so that all previous stores issued in order to bring the page
* uptodate are actually visible before PageUptodate becomes true.
- *
- * s390 doesn't need an explicit smp_wmb here because the test and
- * set bit already provides full barriers.
*/
smp_wmb();
set_bit(PG_uptodate, &(page)->flags);
-#endif
}
CLEARPAGEFLAG(Uptodate, uptodate)