Hillf Danton wrote:
> On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
> <kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
> >
> > +#ifdef CONFIG_TRANSPARENT_HUGEPAGE
> > +static int filemap_huge_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
> > +{
> > + struct file *file = vma->vm_file;
> > + struct address_space *mapping = file->f_mapping;
> > + struct inode *inode = mapping->host;
> > + pgoff_t size, offset = vmf->pgoff;
> > + unsigned long address = (unsigned long) vmf->virtual_address;
> > + struct page *page;
> > + int ret = 0;
> > +
> > + BUG_ON(((address >> PAGE_SHIFT) & HPAGE_CACHE_INDEX_MASK) !=
> > + (offset & HPAGE_CACHE_INDEX_MASK));
> > +
> > +retry:
> > + page = find_get_page(mapping, offset);
> > + if (!page) {
> > + gfp_t gfp_mask = mapping_gfp_mask(mapping) | __GFP_COLD;
> > + page = alloc_pages(gfp_mask, HPAGE_PMD_ORDER);
> s/pages/pages_vma/ ?
Fixed. Thanks.
> > + if (!page) {
> > + count_vm_event(THP_FAULT_FALLBACK);
> > + return VM_FAULT_OOM;
> > + }
--
Kirill A. Shutemov
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