2014/1/9 Michal Nazarewicz <min...@mina86.com>: > On Thu, Jan 09 2014, Joonsoo Kim <iamjoonsoo....@lge.com> wrote: >> Third, there is the problem on buddy allocator. It doesn't consider >> migratetype when merging buddy, so pages from cma or isolate region can >> be moved to other migratetype freelist. It makes CMA failed over and over. >> To prevent it, the buddy allocator should consider migratetype if >> CMA/ISOLATE is enabled. > > There should never be situation where a CMA page shares a pageblock (or > a max-order page) with a non-CMA page though, so this should never be an > issue.
Right... It never happens. When I ported CMA region reservation code to my own code for testing, I made a mistake. Sorry for noise. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
