--- linux-2.4.3-pre6/mm/vmalloc.c	Fri Mar 23 02:16:41 2001
+++ linux/mm/vmalloc.c	Fri Mar 23 02:09:58 2001
@@ -136,39 +136,41 @@
 
 inline int vmalloc_area_pages (unsigned long address, unsigned long size,
                                int gfp_mask, pgprot_t prot)
 {
 	pgd_t * dir;
 	unsigned long end = address + size;
 	int ret;
 
 	dir = pgd_offset_k(address);
 	flush_cache_all();
+	spin_lock(&init_mm.page_table_lock);
 	lock_kernel();
 	do {
 		pmd_t *pmd;
 		
 		pmd = pmd_alloc(&init_mm, dir, address);
 		ret = -ENOMEM;
 		if (!pmd)
 			break;
 
 		ret = -ENOMEM;
 		if (alloc_area_pmd(pmd, address, end - address, gfp_mask, prot))
 			break;
 
 		address = (address + PGDIR_SIZE) & PGDIR_MASK;
 		dir++;
 
 		ret = 0;
 	} while (address && (address < end));
 	unlock_kernel();
+	spin_unlock(&init_mm.page_table_lock);
 	flush_tlb_all();
 	return ret;
 }
 
 struct vm_struct * get_vm_area(unsigned long size, unsigned long flags)
 {
 	unsigned long addr;
 	struct vm_struct **p, *tmp, *area;
 
 	area = (struct vm_struct *) kmalloc(sizeof(*area), GFP_KERNEL);