On Mon, 1 Dec 2008, Alexey Starikovskiy wrote: > > Though I suspect this situation could be improved by avoiding those > > fairly big unions ACPI does (like union acpi_operand_object). > > > No, last time I checked, operand may get down to 16 bytes in 32-bit case -- > save byte by having 3 types of operands... and making 2 more caches :) SLAB has a minimum allocation size of 32 bytes so it would not make a difference there. SLUB can go down to 8 bytes which would enable you to save more. Adding new caches most of the time simply lead to incrementing a counter in a similar kmem_cache structure. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html