2015-02-12 오후 4:32에 Joonsoo Kim 이(가) 쓴 글: > Until now, reserved pages for CMA are managed altogether with normal > page in the same zone. This approach has numorous problems and fixing > them isn't easy. To fix this situation, ZONE_CMA is introduced in > previous patch, but, not yet populated. This patch implement population > of ZONE_CMA by stealing reserved pages from normal zones. This stealing > break one uncertain assumption on zone, that is, zone isn't overlapped. > In the early of this series, some check is inserted to every zone's span > iterator to handle zone overlap so there would be no problem with > this assumption break. > > To utilize this zone, user should use GFP_HIGHUSERMOVABLE, because
I think it might be typo of GFP_HIGHUSER_MOVABLE. > these pages are only applicable for movable type and ZONE_CMA could > contain highmem. > -- 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/
