vserver 1.9.5.x5

[linux-2.6.git] / arch / sparc64 / mm / init.c

diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index a824926..5dc8b35 100644 (file)
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -59,7 +59,7 @@ unsigned long pfn_base;
 static unsigned long bootmap_base;
 
 /* get_new_mmu_context() uses "cache + 1".  */
-spinlock_t ctx_alloc_lock = SPIN_LOCK_UNLOCKED;
+DEFINE_SPINLOCK(ctx_alloc_lock);
 unsigned long tlb_context_cache = CTX_FIRST_VERSION - 1;
 #define CTX_BMAP_SLOTS (1UL << (CTX_VERSION_SHIFT - 6))
 unsigned long mmu_context_bmap[CTX_BMAP_SLOTS];
@@ -1462,7 +1462,8 @@ void __init paging_init(void)
        memset(swapper_pmd_dir, 0, sizeof(swapper_pmd_dir));
 
        /* Now can init the kernel/bad page tables. */
-       pgd_set(&swapper_pg_dir[0], swapper_pmd_dir + (shift / sizeof(pgd_t)));
+       pud_set(pud_offset(&swapper_pg_dir[0], 0),
+               swapper_pmd_dir + (shift / sizeof(pgd_t)));
        
        sparc64_vpte_patchme1[0] |=
                (((unsigned long)pgd_val(init_mm.pgd[0])) >> 10);
@@ -1687,13 +1688,12 @@ void __init mem_init(void)
         * Set up the zero page, mark it reserved, so that page count
         * is not manipulated when freeing the page from user ptes.
         */
-       mem_map_zero = alloc_pages(GFP_KERNEL, 0);
+       mem_map_zero = alloc_pages(GFP_KERNEL|__GFP_ZERO, 0);
        if (mem_map_zero == NULL) {
                prom_printf("paging_init: Cannot alloc zero page.\n");
                prom_halt();
        }
        SetPageReserved(mem_map_zero);
-       clear_page(page_address(mem_map_zero));
 
        codepages = (((unsigned long) _etext) - ((unsigned long) _start));
        codepages = PAGE_ALIGN(codepages) >> PAGE_SHIFT;
@@ -1745,6 +1745,7 @@ void free_initmem (void)
                page = (addr +
                        ((unsigned long) __va(kern_base)) -
                        ((unsigned long) KERNBASE));
+               memset((void *)addr, 0xcc, PAGE_SIZE);
                p = virt_to_page(page);
 
                ClearPageReserved(p);