| Date | Tue, 16 Jan 2007 11:52:13 -0800 | From | "Paul Menage" <> | Subject | Re: [RFC 8/8] Reduce inode memory usage for systems with a high MAX_NUMNODES |
| |
On 1/15/07, Christoph Lameter <clameter@sgi.com> wrote: > > This solution may be a bit hokey. I tried other approaches but this > one seemed to be the simplest with the least complications. Maybe someone > else can come up with a better solution?
How about a 64-bit field in struct inode that's used as a bitmask if there are no more than 64 nodes, and a pointer to a bitmask if there are more than 64 nodes. The filesystems wouldn't need to be involved then, as the bitmap allocation could be done in the generic code.
Paul - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|