On 02/08/2012 09:15 AM, Dan Magenheimer wrote: > The zsmalloc allocator can grab > any random* page "A" with X unused bytes at the END of the page, > and any random page "B" with Y unused bytes at the BEGINNING of the page > and "coalesce" them to store any byte sequence with a length** Z > not exceeding X+Y. Presumably this markedly increases > the density of compressed-pages-stored-per-physical-page***. Ahh, I did miss that. I assumed it was simply trying to tie two order-0 pages together. I _guess_ the vmap() comment stands, though. -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>