For hwpoison it is useful to shrink a specific slab cache: hwpoison knows the page to shrink and attempts to free it. Currently it shrinks all slabs, which is a bit inefficient. The slab caches internally all know this information, but do not export it currently. This patch kit adds a new function to export it and lets hwpoison use it to shrink the correct page. I added the necessary functions to slab, slub and slob. Pekka, others, is this patch ok for you? I would prefer to carry in my tree to avoid dependency issues. Any reviews and Acks appreciated. Thanks, -Andi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>