linux-kernel - Re: [PATCH] [9/26] x86_64: Fix vmalloc_32 to really allocate <4GB on 64bit platforms

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Message-ID: <20070430054927.GB4772@gollum.tnic>
Date:	Mon, 30 Apr 2007 07:49:27 +0200
From:	Borislav Petkov <bbpetkov@...oo.de>
To:	Andi Kleen <ak@...e.de>
Cc:	patches@...-64.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [9/26] x86_64: Fix vmalloc_32 to really allocate <4GB on 64bit platforms

Sorry, I meant this one:


Index: 2.6.21/mm/vmalloc.c
===================================================================
--- 2.6.21.orig/mm/vmalloc.c
+++ 2.6.21/mm/vmalloc.c
@@ -577,6 +577,16 @@ void *vmalloc_exec(unsigned long size)
 	return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC);
 }
 
+#if defined(CONFIG_64BIT)
+  #if defined(CONFIG_ZONE_DMA32)
+  #define GFP_VMALLOC32 GFP_DMA32
+  #elif defined(CONFIG_ZONE_DMA)
+  #define GFP_VMALLOC32 GFP_DMA
+  #endif
+#else
+  #define GFP_VMALLOC32 GFP_KERNEL
+#endif
+
 /**
  *	vmalloc_32  -  allocate virtually contiguous memory (32bit addressable)
  *	@size:		allocation size
-- 
Regards/Gruß,
    Boris.
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