[Xen-changelog] [xen-unstable] arm: really allocate boot frametable pages with 32M alignment

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1349967419 -3600
# Node ID fbb8fc5ab0416c6a1a4a9460d6f8138dbe27c8ab
# Parent  375a7e0e275f408018bbe9a0922b3b4628f28d6f
arm: really allocate boot frametable pages with 32M alignment

This argument to alloc_boot_pages is "pfn_align" and not an order.
We've been lucky until now that the area given to the boot allocator
happened to be properly aligned and this allocation was early enough
to benefit.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Tim Deegan <tim@xxxxxxx>
Committed-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---


diff -r 375a7e0e275f -r fbb8fc5ab041 xen/arch/arm/mm.c
--- a/xen/arch/arm/mm.c Thu Oct 11 15:56:58 2012 +0100
+++ b/xen/arch/arm/mm.c Thu Oct 11 15:56:59 2012 +0100
@@ -352,7 +352,7 @@ void __init setup_frametable_mappings(pa
 
     /* Round up to 32M boundary */
     frametable_size = (frametable_size + 0x1ffffff) & ~0x1ffffff;
-    base_mfn = alloc_boot_pages(frametable_size >> PAGE_SHIFT, 5);
+    base_mfn = alloc_boot_pages(frametable_size >> PAGE_SHIFT, 32<<(20-12));
     create_mappings(FRAMETABLE_VIRT_START, base_mfn, frametable_size >> 
PAGE_SHIFT);
 
     memset(&frame_table[0], 0, nr_pages * sizeof(struct page_info));

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