handle BIO allocation failures in swap_writepage()

PATCH In review Andrew Morton 1 participant 1 message Jul 4, 2002

Subsystems (2)

Memory management MM swap

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Andrew Morton

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2002-07-04 23:45 UTC #0 lore raw

PATCH 1/27 handle BIO allocation failures in swap_writepage()

If allocation of a BIO for swap writeout fails, mark the page dirty again to save it from eviction.

 page_io.c |    1 +
 1 files changed, 1 insertion(+)

mm/page_io.c renamed from mm/page_io.c~swap-bio-fail +1 -0

@@ -98,6 +98,7 @@ int swap_writepage(struct page *page)
 	}
 	bio = get_swap_bio(GFP_NOIO, page, end_swap_bio_write);
 	if (bio == NULL) {
+		set_page_dirty(page);
 		ret = -ENOMEM;
 		goto out;
 	}