Date: Tue, 08 Oct 1996 09:12:05 +0200 From: Poul-Henning Kamp <phk@critter.tfs.com> To: Matt Thomas <matt@lkg.dec.com> Cc: hackers@freebsd.org, Mikael Karpberg <karpen@ocean.campus.luth.se> Subject: Re: Optimizing bzero() Message-ID: <3678.844758725@critter.tfs.com> In-Reply-To: Your message of "Mon, 07 Oct 1996 17:07:59 -0000." <199610071708.RAA20621@whydos.lkg.dec.com>
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In message <199610071708.RAA20621@whydos.lkg.dec.com>, Matt Thomas writes: > >> > >Makes sense; can this be done without major surgery though? How costly >> > >would it be for malloc(3) to invoke a system call to re-arrange the >> > >address space compared to an memory allocation followed by a bcopy()? >> > cheap(er). > >I've always wanted to be able to use procfs for doing that. Alas, procfs >doesn't support mmap operations. Although I agree that it is a neat abstraction, I don't think I want to involve the entire VFS system in this... -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@ref.tfs.com TRW Financial Systems, Inc. Future will arrive by its own means, progress not so.
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