On Tue 11-10-16 21:24:50, zijun_hu wrote: > From: zijun_hu <zijun_hu@xxxxxxx> > > the LSB of a chunk->map element is used for free/in-use flag of a area > and the other bits for offset, the sufficient and necessary condition of > this usage is that both size and alignment of a area must be even numbers > however, pcpu_alloc() doesn't force its @align parameter a even number > explicitly, so a odd @align maybe causes a series of errors, see below > example for concrete descriptions. Is or was there any user who would use a different than even (or power of 2) alighment? If not is this really worth handling? -- Michal Hocko SUSE Labs -- 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>