[PATCH] [3/8] CPA: Fix some incorrect comments in the debug pagealloc code

[Andi Kleen]

Even with the pool cpa in debug_pagealloc can fail (e.g. consider memory hotplug) 
Also the code does not clear PSE anymore as the comment claims.

Replace wrong comment with correct one.
Signed-off-by: Andi Kleen <ak@xxxxxxx>

---
 arch/x86/mm/pageattr.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

Index: linux/arch/x86/mm/pageattr.c
===================================================================
--- linux.orig/arch/x86/mm/pageattr.c
+++ linux/arch/x86/mm/pageattr.c
@@ -864,10 +864,7 @@ void kernel_map_pages(struct page *page,
 	if (!debug_pagealloc_enabled)
 		return;
 
-	/*
-	 * The return value is ignored - the calls cannot fail,
-	 * large pages are disabled at boot time:
-	 */
+	/* This can fail in theory but then you're out of luck */
 	if (enable)
 		__set_pages_p(page, numpages);
 	else
--
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