On 2017/12/29 16:58, Xishi Qiu wrote: > When calling vfree(), it calls unmap_vmap_area() to clear page table, > but do not free the memory of page table, why? just for performance? > > If a driver use vmalloc() and vfree() frequently, we will lost much > page table memory, maybe oom later. > > Thanks, > Xishi Qiu > ping > > . > -- 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>
