On Fri, Dec 15, 2017 at 02:03:35PM -0800, Matthew Wilcox wrote: > From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> > > This results in no change in structure size on 64-bit x86 as it fits in > the padding between the gfp_t and the void *. The patch does more than described in the subject and commit message. At first I was confused why do you need to touch idr here. It took few minutes to figure it out. Could you please add more into commit message about lockname and xa_ locking interface since you introduce it here? -- Kirill A. Shutemov -- 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>