On Mon, 2015-09-21 at 12:10 +0530, Aneesh Kumar K.V wrote: > /* > - * We use a 2K PTE page fragment and another 2K for storing > - * real_pte_t hash index > + * We use a 2K PTE page fragment and another 4K for storing > + * real_pte_t hash index. Rounding the entire thing to 8K > */
Isn't this a LOT of memory wasted ? Page tables have a non-negligible footprint, we were already wasting half, now we are wasting 3/4 no ? Ie, in most cases on modern machines we never use the other "half"... Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
