linux-kernel - Re: [patch 3/6] fault-injection capability for alloc

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Date:	Wed, 06 Sep 2006 09:07:11 -0700
From:	Don Mullis <dwm@...r.net>
To:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [patch 3/6] fault-injection capability for alloc_pages() [bug
	fix]

Fix compilation when CONFIG_FAIL_PAGE_ALLOC=n

Signed-off-by: Don Mullis <dwm@...r.net>

---
 mm/page_alloc.c |    2 ++
 1 file changed, 2 insertions(+)

Index: linux-2.6.17/mm/page_alloc.c
===================================================================
--- linux-2.6.17.orig/mm/page_alloc.c
+++ linux-2.6.17/mm/page_alloc.c
@@ -938,9 +938,11 @@ __alloc_pages(gfp_t gfp_mask, unsigned i
 
 	might_sleep_if(wait);
 
+#ifdef CONFIG_FAIL_PAGE_ALLOC
 	if (!(gfp_mask & __GFP_NOFAIL) &&
 	    should_fail(fail_page_alloc, 1 << order))
 		return NULL;
+#endif
 
 restart:
 	z = zonelist->zones;  /* the list of zones suitable for gfp_mask */


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