Messages in this thread | ![/](/images/icornerl.gif) | | From | Ed Tomlinson <> | Subject | Re: hundreds of mount --bind mountpoints? | Date | Mon, 23 Apr 2001 20:16:01 -0400 |
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Andreas Dilger wrote:
> Consider, when I was doing some fs benchmark, my inode slab cache was > over 120k items on a 128MB machine. At 480 butes per inode, this is > almost 58 MB, close to half of RAM. Reducing this to exactly ext2 > sized inodes would save (50 - 27) * 4 * 120k = 11MB of memory (on 32-bit > systems)!!! (This assumes nfs_inode_info is the largest).
Was this with a recient kernel (post Alexander Viro's dcache pressure fix)? If not I suggest rerunning the benchmark. I had/have a patch to apply pressure to the dcache and icache from kswapd but its not been needed here since the above fix.
Ed Tomlinson <tomlins@cam.org> - 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/
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