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SubjectRe: [patch] Assigning syscall numbers for testing
On Tue, Dec 25, 2001 at 01:18:26PM +1100, Keith Owens wrote:
> i386 dynamic syscall table starts at 240. Last assigned syscall entry
> is currently 225, leaving room for 14 new assigned syscalls. 2.4.0
> (January 5 2001) had 222 syscalls, so 2.4 added 3 assigned syscalls in
> just under a year.

Erm, there's a rather obvious flaw in your argument here - 2.4 is supposed
to be a stable kernel with relatively few features appearing in it. We're
now into 2.5. We've already seen several people trying to get new syscall
numbers between 2.5.0 and 2.5.1, which is also a relatively short

Lets look at some more realistic timeframe. These figures are for i386:

2.2.20 - 190 syscalls, last one is sys_vfork
2.4.17 - 225 syscalls, last one is sys_readahead

So, between these two stable kernel series, _35_ syscalls have been added.
If we assume this trend will continue through 2.5, then we'll be up to
260 syscalls when 2.6 or 3.0 is out.

Russell King ( The developer of ARM Linux

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