From: kfraser@localhost.localdomain <kfraser@localhost.localdomain>
Date: Thu, 16 Aug 2007 12:27:59 +0000 (+0100)
Subject: Remove unused max_dma_mfn variable.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~15007^2
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22Dat/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22Dat?a=commitdiff_plain;h=e28e04d59312ec8cef673ffdca34231648c03431;p=xen.git

Remove unused max_dma_mfn variable.
Signed-off-by: Keir Fraser <keir@xensource.com>
---

diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
index 854887a484..04a7b1838c 100644
--- a/xen/common/page_alloc.c
+++ b/xen/common/page_alloc.c
@@ -54,21 +54,14 @@ boolean_param("bootscrub", opt_bootscrub);
 /*
  * Bit width of the DMA heap.
  */
-static unsigned int  dma_bitsize = CONFIG_DMA_BITSIZE;
-static unsigned long max_dma_mfn = (1UL<<(CONFIG_DMA_BITSIZE-PAGE_SHIFT))-1;
+static unsigned int dma_bitsize = CONFIG_DMA_BITSIZE;
 static void __init parse_dma_bits(char *s)
 {
     unsigned int v = simple_strtol(s, NULL, 0);
     if ( v >= (BITS_PER_LONG + PAGE_SHIFT) )
-    {
         dma_bitsize = BITS_PER_LONG + PAGE_SHIFT;
-        max_dma_mfn = ~0UL;
-    }
     else if ( v > PAGE_SHIFT + 1 )
-    {
         dma_bitsize = v;
-        max_dma_mfn = (1UL << (dma_bitsize - PAGE_SHIFT)) - 1;
-    }
     else
         printk("Invalid dma_bits value of %u ignored.\n", v);
 }