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Date: Wed, 6 Feb 2002 19:06:01 +0000 (GMT)
From: Hugh Dickins <hugh@veritas.com>
To: Marcelo Tosatti <marcelo@conectiva.com.br>
cc: Andrew Morton <akpm@zip.com.au>, Benjamin LaHaise <bcrl@redhat.com>,
        linux-kernel@vger.kernel.org
Subject: [PATCH] __free_pages_ok oops
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Sorry, no solution, but maybe another oops in __free_pages_ok might help?

Hugh

--- 2.4.18-pre8/mm/page_alloc.c	Tue Feb  5 12:55:36 2002
+++ linux/mm/page_alloc.c	Wed Feb  6 18:31:07 2002
@@ -73,9 +73,11 @@
 	/* Yes, think what happens when other parts of the kernel take 
 	 * a reference to a page in order to pin it for io. -ben
 	 */
-	if (PageLRU(page))
+	if (PageLRU(page)) {
+		if (in_interrupt())
+			BUG();
 		lru_cache_del(page);
-
+	}
 	if (page->buffers)
 		BUG();
 	if (page->mapping)

-
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