Index: linux-2.4.19-pre1/mm/memory.c
===================================================================
--- linux-2.4.19-pre1.orig/mm/memory.c	2004-01-14 01:11:29.000000000 +0300
+++ linux-2.4.19-pre1/mm/memory.c	2004-01-14 01:54:44.000000000 +0300
@@ -1470,3 +1470,25 @@
 			len, write, 0, NULL, NULL);
 	return ret == len ? 0 : -1;
 }
+
+struct page * vmalloc_to_page(void * vmalloc_addr)
+{
+	unsigned long addr = (unsigned long) vmalloc_addr;
+	struct page *page = NULL;
+	pmd_t *pmd;
+	pte_t *ptep, pte;
+	pgd_t *pgd;
+	
+	pgd = pgd_offset_k(addr);
+	if (!pgd_none(*pgd)) {
+		pmd = pmd_offset(pgd, addr);
+		if (!pmd_none(*pmd)) {
+			ptep = pte_offset(pmd, addr);
+			pte = *ptep;
+			if (pte_present(pte)) {
+				page = pte_page(pte);
+			}
+		}
+	}
+	return page;
+}
Index: linux-2.4.19-pre1/kernel/ksyms.c
===================================================================
--- linux-2.4.19-pre1.orig/kernel/ksyms.c	2004-01-14 01:22:28.000000000 +0300
+++ linux-2.4.19-pre1/kernel/ksyms.c	2004-01-14 01:51:55.000000000 +0300
@@ -112,6 +112,8 @@
 EXPORT_SYMBOL(kfree);
 EXPORT_SYMBOL(vfree);
 EXPORT_SYMBOL(__vmalloc);
+extern struct page * vmalloc_to_page(void *addr);
+EXPORT_SYMBOL(vmalloc_to_page);
 EXPORT_SYMBOL(mem_map);
 EXPORT_SYMBOL(remap_page_range);
 EXPORT_SYMBOL(max_mapnr);