Date: Wed, 13 Sep 2000 22:31:46 -0400 (EDT) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: Bosko Milekic <bmilekic@dsuper.net> Cc: freebsd-net@FreeBSD.ORG Subject: Clusters larger than PAGE_SIZE and contigmalloc() Message-ID: <200009140231.WAA04768@khavrinen.lcs.mit.edu> In-Reply-To: <Pine.BSF.4.21.0009132006490.8861-100000@jehovah.technokratis.com> References: <Pine.BSF.4.21.0009132006490.8861-100000@jehovah.technokratis.com>
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<<On Wed, 13 Sep 2000 20:13:05 -0400 (EDT), Bosko Milekic <bmilekic@dsuper.net> said: [Pointless four-space indentation removed.] >contigmalloc() may have trouble finding the required >contiguous physical pages after a certain period of uptime. When the code was written (and this may have since rotted), contigmalloc() would forcibly swap out every process on the machine until it found some contiguous physical memory. Doesn't solve the issue of virtual fragmentation, but physical fragmentation was not a problem. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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