kernel/lib/cpu_rmap.c, branch linux-3.0.y Hosts the 0x221E linux distro kernel. https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-3.0.y 2011-01-24T22:51:56Z lib: cpu_rmap: CPU affinity reverse-mapping 2011-01-24T22:51:56Z Ben Hutchings bhutchings@solarflare.com 2011-01-19T11:03:25Z urn:sha1:c39649c331c70952700f99832b03f87e9d7f5b4b When initiating I/O on a multiqueue and multi-IRQ device, we may want to select a queue for which the response will be handled on the same or a nearby CPU. This requires a reverse-map of IRQ affinity. Add library functions to support a generic reverse-mapping from CPUs to objects with affinity and the specific case where the objects are IRQs. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>