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From: Andi Kleen <ak@suse.de>
To: tglx@linutronix.de, mingo@elte.hu, linux-kernel@vger.kernel.org
Subject: [PATCH] [3/3] CPA: Remove outdated comment in kernel_map_pages and add warning about recursion
Date: Fri,  1 Feb 2008 10:55:15 +0100 (CET)	[thread overview]
Message-ID: <20080201095515.6C9061B416F@basil.firstfloor.org> (raw)
In-Reply-To: <200802011055.370582801@suse.de>


Signed-off-by: Andi Kleen <ak@suse.de>

---
 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
@@ -556,6 +556,7 @@ static int __set_pages_np(struct page *p
 					__pgprot(_PAGE_PRESENT));
 }
 
+/* This function recurses with unknown maximum depth */
 void kernel_map_pages(struct page *page, int numpages, int enable)
 {
 	if (PageHighMem(page))
@@ -571,10 +572,6 @@ 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:
-	 */
 	if (enable)
 		__set_pages_p(page, numpages);
 	else

      parent reply	other threads:[~2008-02-01  9:59 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-01  9:55 [PATCH] [1/3] CPA: Don't flush caches on CPUs that support self-snoop Andi Kleen
2008-02-01  9:55 ` [PATCH] [2/3] CPA: Only flush the cache if the caching attributes have changed Andi Kleen
2008-02-01  9:55 ` Andi Kleen [this message]

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