Messages in this thread | | | Subject | Re: X much slower in 2.0.24 than in 1.2.13 | From | (Kevin Buhr) | Date | 03 Nov 1996 16:53:32 -0600 |
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alan@lxorguk.ukuu.org.uk (Alan Cox) writes: | | Interesting. These only change the size of some fields. It may be a field | size issue. Note that you dont want to run with that sock.h patch reversed | as it lets people crash your machine..
The 2.0.24 changes to "struct sock" in "linux/include/net/sock.h" push its size, in my kernel, up to 0x1fc. This new size, plus the "kmalloc"'s "block_header" is just big enough to push "struct sock" allocations to the next allocation order.
I'm guessing this is the cause of the performance hit.
Kevin <buhr@stat.wisc.edu>
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