uml: fix page table data sizes

[safe/jmp/linux-2.6] / arch / um / kernel / mem.c

diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 3eddc20..663011c 100644 (file)
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -132,7 +132,7 @@ static void __init fixrange_init(unsigned long start, unsigned long end,
                if (pud_none(*pud))
                        one_md_table_init(pud);
                pmd = pmd_offset(pud, vaddr);
-               for (; (j < PTRS_PER_PMD) && (vaddr != end); pmd++, j++) {
+               for (; (j < PTRS_PER_PMD) && (vaddr < end); pmd++, j++) {
                        one_page_table_init(pmd);
                        vaddr += PMD_SIZE;
                }
@@ -191,22 +191,23 @@ static void __init fixaddr_user_init( void)
        pud_t *pud;
        pmd_t *pmd;
        pte_t *pte;
-       unsigned long paddr, vaddr = FIXADDR_USER_START;
+       phys_t p;
+       unsigned long v, vaddr = FIXADDR_USER_START;
 
-       if (  ! size )
+       if (!size)
                return;
 
        fixrange_init( FIXADDR_USER_START, FIXADDR_USER_END, swapper_pg_dir);
-       paddr = (unsigned long)alloc_bootmem_low_pages( size);
-       memcpy( (void *)paddr, (void *)FIXADDR_USER_START, size);
-       paddr = __pa(paddr);
+       v = (unsigned long) alloc_bootmem_low_pages(size);
+       memcpy((void *) v , (void *) FIXADDR_USER_START, size);
+       p = __pa(v);
        for ( ; size > 0; size -= PAGE_SIZE, vaddr += PAGE_SIZE,
-                     paddr += PAGE_SIZE) {
+                     p += PAGE_SIZE) {
                pgd = swapper_pg_dir + pgd_index(vaddr);
                pud = pud_offset(pgd, vaddr);
                pmd = pmd_offset(pud, vaddr);
                pte = pte_offset_kernel(pmd, vaddr);
-               pte_set_val( (*pte), paddr, PAGE_READONLY);
+               pte_set_val(*pte, p, PAGE_READONLY);
        }
 #endif
 }