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[Xen-ia64-devel] [PATCH 13/16] domheap: allocate percpu area from domhea
| To: | xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-ia64-devel] [PATCH 13/16] domheap: allocate percpu area from domheap. |
| From: | Isaku Yamahata <yamahata@xxxxxxxxxxxxx> |
| Date: | Mon, 7 Jan 2008 16:52:34 +0900 |
| Cc: | Isaku Yamahata <yamahata@xxxxxxxxxxxxx> |
| Delivery-date: | Sun, 06 Jan 2008 23:55:11 -0800 |
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# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Date 1198652434 -32400
# Node ID 502c064ec8a6c1209fd4d1f6c06837f6fbaab309
# Parent 77cb59b30e8cc1a9ee04f70c462529b1b438b3c7
allocate percpu area from domheap.
PATCHNAME: alloate_percpu_area_from_domheap
Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
diff -r 77cb59b30e8c -r 502c064ec8a6 xen/arch/ia64/linux-xen/mm_contig.c
--- a/xen/arch/ia64/linux-xen/mm_contig.c Wed Dec 26 14:43:09 2007 +0900
+++ b/xen/arch/ia64/linux-xen/mm_contig.c Wed Dec 26 16:00:34 2007 +0900
@@ -193,8 +193,13 @@ per_cpu_init (void)
*/
if (smp_processor_id() == 0) {
#ifdef XEN
- cpu_data = alloc_xenheap_pages(get_order(NR_CPUS
- * PERCPU_PAGE_SIZE));
+ struct page_info *page;
+ page = alloc_domheap_pages(NULL,
+ get_order(NR_CPUS *
+ PERCPU_PAGE_SIZE), 0);
+ if (page == NULL)
+ panic("can't allocate per cpu area.\n");
+ cpu_data = page_to_virt(page);
#else
cpu_data = __alloc_bootmem(PERCPU_PAGE_SIZE * NR_CPUS,
PERCPU_PAGE_SIZE,
__pa(MAX_DMA_ADDRESS));
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