{
}
-void sync_mm_rss(struct task_struct *task, struct mm_struct *mm)
-{
-}
#endif
/*
* Hide vma from rmap and truncate_pagecache before freeing
* pgtables
*/
- anon_vma_unlink(vma);
+ unlink_anon_vmas(vma);
unlink_file_vma(vma);
if (is_vm_hugetlb_page(vma)) {
&& !is_vm_hugetlb_page(next)) {
vma = next;
next = vma->vm_next;
- anon_vma_unlink(vma);
+ unlink_anon_vmas(vma);
unlink_file_vma(vma);
}
free_pgd_range(tlb, addr, vma->vm_end,
"BUG: Bad page map in process %s pte:%08llx pmd:%08llx\n",
current->comm,
(long long)pte_val(pte), (long long)pmd_val(*pmd));
- if (page) {
- printk(KERN_ALERT
- "page:%p flags:%p count:%d mapcount:%d mapping:%p index:%lx\n",
- page, (void *)page->flags, page_count(page),
- page_mapcount(page), page->mapping, page->index);
- }
+ if (page)
+ dump_page(page);
printk(KERN_ALERT
"addr:%p vm_flags:%08lx anon_vma:%p mapping:%p index:%lx\n",
(void *)addr, vma->vm_flags, vma->anon_vma, mapping, index);
page_cache_release(old_page);
}
reuse = reuse_swap_page(old_page);
+ if (reuse)
+ /*
+ * The page is all ours. Move it to our anon_vma so
+ * the rmap code will not search our parent or siblings.
+ * Protected against the rmap code by the page lock.
+ */
+ page_move_anon_rmap(old_page, vma, address);
unlock_page(old_page);
} else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==
(VM_WRITE|VM_SHARED))) {