[PATCH] MM: page allocation hooks for VMI backend

[pandora-kernel.git] / arch / i386 / mm / init.c

diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 84697df..ae43688 100644 (file)
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -62,6 +62,7 @@ static pmd_t * __init one_md_table_init(pgd_t *pgd)
                
 #ifdef CONFIG_X86_PAE
        pmd_table = (pmd_t *) alloc_bootmem_low_pages(PAGE_SIZE);
+       paravirt_alloc_pd(__pa(pmd_table) >> PAGE_SHIFT);
        set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT));
        pud = pud_offset(pgd, 0);
        if (pmd_table != pmd_offset(pud, 0)) 
@@ -82,6 +83,7 @@ static pte_t * __init one_page_table_init(pmd_t *pmd)
 {
        if (pmd_none(*pmd)) {
                pte_t *page_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
+               paravirt_alloc_pt(__pa(page_table) >> PAGE_SHIFT);
                set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE));
                if (page_table != pte_offset_kernel(pmd, 0))
                        BUG();  
@@ -283,7 +285,7 @@ void __init add_one_highpage_init(struct page *page, int pfn, int bad_ppro)
                SetPageReserved(page);
 }
 
-static int add_one_highpage_hotplug(struct page *page, unsigned long pfn)
+static int __meminit add_one_highpage_hotplug(struct page *page, unsigned long pfn)
 {
        free_new_highpage(page);
        totalram_pages++;
@@ -300,7 +302,7 @@ static int add_one_highpage_hotplug(struct page *page, unsigned long pfn)
  * has been added dynamically that would be
  * onlined here is in HIGHMEM
  */
-void online_page(struct page *page)
+void __meminit online_page(struct page *page)
 {
        ClearPageReserved(page);
        add_one_highpage_hotplug(page, page_to_pfn(page));
@@ -345,6 +347,8 @@ static void __init pagetable_init (void)
        /* Init entries of the first-level page table to the zero page */
        for (i = 0; i < PTRS_PER_PGD; i++)
                set_pgd(pgd_base + i, __pgd(__pa(empty_zero_page) | _PAGE_PRESENT));
+#else
+       paravirt_alloc_pd(__pa(swapper_pg_dir) >> PAGE_SHIFT);
 #endif
 
        /* Enable PSE if available */
@@ -673,16 +677,10 @@ void __init mem_init(void)
 #endif
 }
 
-/*
- * this is for the non-NUMA, single node SMP system case.
- * Specifically, in the case of x86, we will always add
- * memory to the highmem for now.
- */
 #ifdef CONFIG_MEMORY_HOTPLUG
-#ifndef CONFIG_NEED_MULTIPLE_NODES
 int arch_add_memory(int nid, u64 start, u64 size)
 {
-       struct pglist_data *pgdata = &contig_page_data;
+       struct pglist_data *pgdata = NODE_DATA(nid);
        struct zone *zone = pgdata->node_zones + ZONE_HIGHMEM;
        unsigned long start_pfn = start >> PAGE_SHIFT;
        unsigned long nr_pages = size >> PAGE_SHIFT;
@@ -694,7 +692,7 @@ int remove_memory(u64 start, u64 size)
 {
        return -EINVAL;
 }
-#endif
+EXPORT_SYMBOL_GPL(remove_memory);
 #endif
 
 struct kmem_cache *pgd_cache;