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From:   David Howells <dhowells@redhat.com>
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To:     Daniel Colascione <dancol@google.com>
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Subject: Re: [PATCH 0/4] pid: add pidctl()
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Daniel Colascione <dancol@google.com> wrote:

> System calls are cheap.

Only to a point.  x86_64 will have an issue when we hit syscall 512.  We're
currently at 427.

David