mmap: handle mlocked pages during map, remap, unmap
[linux-2.6.git] / mm / mremap.c
index 1a77439..58a2908 100644 (file)
@@ -24,6 +24,8 @@
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
 
+#include "internal.h"
+
 static pmd_t *get_old_pmd(struct mm_struct *mm, unsigned long addr)
 {
        pgd_t *pgd;
@@ -238,8 +240,8 @@ static unsigned long move_vma(struct vm_area_struct *vma,
        if (vm_flags & VM_LOCKED) {
                mm->locked_vm += new_len >> PAGE_SHIFT;
                if (new_len > old_len)
-                       make_pages_present(new_addr + old_len,
-                                          new_addr + new_len);
+                       mlock_vma_pages_range(new_vma, new_addr + old_len,
+                                                      new_addr + new_len);
        }
 
        return new_addr;
@@ -379,7 +381,7 @@ unsigned long do_mremap(unsigned long addr,
                        vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages);
                        if (vma->vm_flags & VM_LOCKED) {
                                mm->locked_vm += pages;
-                               make_pages_present(addr + old_len,
+                               mlock_vma_pages_range(vma, addr + old_len,
                                                   addr + new_len);
                        }
                        ret = addr;