| From | "Kirill A. Shutemov" <> | Subject | [PATCHv3, RFC 26/34] mm: add huge_fault() callback to vm_operations_struct | Date | Fri, 5 Apr 2013 14:59:50 +0300 |
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From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
huge_fault() should try to setup huge page for the pgoff, if possbile. VM_FAULT_OOM return code means we need to fallback to small pages.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> --- include/linux/mm.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/linux/mm.h b/include/linux/mm.h index 09530c7..d978de8 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -195,6 +195,7 @@ struct vm_operations_struct { void (*open)(struct vm_area_struct * area); void (*close)(struct vm_area_struct * area); int (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf); + int (*huge_fault)(struct vm_area_struct *vma, struct vm_fault *vmf); /* notification that a previously read-only page is about to become * writable, if an error is returned it will cause a SIGBUS */ -- 1.7.10.4
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