mm: change anon_vma linking to fix multi-process server scalability issue

[karo-tx-linux.git] / arch / ia64 / mm / init.c

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index ca3335ea56ccf9dae52d19ddbe619315f1134225..ed41759efcac3b76e44d9a6b87c0c379448b4c5c 100644 (file)
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -117,6 +117,7 @@ ia64_init_addr_space (void)
         */
        vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
        if (vma) {
+               INIT_LIST_HEAD(&vma->anon_vma_chain);
                vma->vm_mm = current->mm;
                vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
                vma->vm_end = vma->vm_start + PAGE_SIZE;
@@ -135,6 +136,7 @@ ia64_init_addr_space (void)
        if (!(current->personality & MMAP_PAGE_ZERO)) {
                vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
                if (vma) {
+                       INIT_LIST_HEAD(&vma->anon_vma_chain);
                        vma->vm_mm = current->mm;
                        vma->vm_end = PAGE_SIZE;
                        vma->vm_page_prot = __pgprot(pgprot_val(PAGE_READONLY) | _PAGE_MA_NAT);