"Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> writes: > We're going to use migration entries instead of compound_lock() to > stabilize page refcounts. Setup and remove migration entries require > page to be locked. > > Some of split_huge_page() callers already have the page locked. Let's > require everybody to lock the page before calling split_huge_page(). > > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Why not have split_huge_page_locked/unlocked, and call the one which takes lock internally every where ? -aneesh -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>