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SubjectRe: [patch] Unlimited number of processes, x86, 2.1.131

On Wed, 9 Dec 1998, Andi Kleen wrote:

> In muc.lists.linux-kernel, you wrote:
> >bug reports, success reports, comments and suggestions welcome,
>
> Very cool indeed.
>
> One point: if you go >16k processes then SYSV ipc will have problems because
> __kernel_ipc_pid_t is 16bit on most platforms. Worse is that this type
> is exported to user space [in msqid_ds].

ugh, good point. This also is an ABI definition, hm. Wondering how this is
solved on other unices. For now we will silently drop the upper bits.
(btw, is the limit really 16k, or rather 32k?)

-- mingo


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