On Wed, 2008-05-14 at 12:21 -0700, Christoph Lameter wrote: > On Wed, 14 May 2008, Matt Mackall wrote: > > > > Interrupt exit in general would have to inspect the per cpu structures of > > > all slab caches on the system? > > > > Why's that? When we're not under pressure (fast path), we can delay (and > > batch) remote frees. When we are under pressure (slow path), we can do > > everything immediately. > > Fastpath is what? I guess slow path means we called into the page > allocator? No, slow path here means we're already under memory pressure, so we don't care if something takes longer if it saves memory. -- Mathematics is the supreme nostalgia of our time. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html