[Xen-ia64-devel] [PATCH 3/7] allocate mpt table from domheap

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

[IA64] use domheap for mpt_table.

Now there is no need to allocate pages for mpt_table from xenheap.
So allocate it from domheap.

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff --git a/xen/arch/ia64/xen/xenmem.c b/xen/arch/ia64/xen/xenmem.c
--- a/xen/arch/ia64/xen/xenmem.c
+++ b/xen/arch/ia64/xen/xenmem.c
@@ -49,6 +49,7 @@ paging_init (void)
 {
        unsigned int mpt_order;
        unsigned long mpt_table_size;
+       struct page_info *page;
        unsigned long i;
 
        if (!opt_contig_mem) {
@@ -64,9 +65,11 @@ paging_init (void)
        mpt_table_size = max_page * sizeof(unsigned long);
        mpt_order = get_order(mpt_table_size);
        ASSERT(mpt_order <= MAX_ORDER);
-       if ((mpt_table = alloc_xenheap_pages(mpt_order)) == NULL)
+       page = alloc_domheap_pages(NULL, mpt_order, 0);
+       if (page == NULL)
                panic("Not enough memory to bootstrap Xen.\n");
 
+       mpt_table = page_to_virt(page);
        printk("machine to physical table: 0x%lx mpt_table_size 0x%lx\n"
               "mpt_order %u max_page 0x%lx\n",
               (u64)mpt_table, mpt_table_size, mpt_order, max_page);

Attachment: allocate-mpt-from-dom-heap.patch
Description: Text Data

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