From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by rn-out-0910.google.com with SMTP id i24so1788528rng.0 for ; Mon, 24 Mar 2008 11:15:52 -0700 (PDT) Message-ID: <4cefeab80803241115l34b37b33ie9eec5404ff8a764@mail.gmail.com> Date: Mon, 24 Mar 2008 23:45:51 +0530 From: "Nitin Gupta" Subject: Re: [PATCH 0/6]: compcache: Compressed Caching In-Reply-To: <5699f8f00803240921j5dc66547xf9a755ee531d8476@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200803242030.05997.nitingupta910@gmail.com> <5699f8f00803240921j5dc66547xf9a755ee531d8476@mail.gmail.com> Sender: owner-linux-mm@kvack.org Return-Path: To: Wander Winkelhorst Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Mon, Mar 24, 2008 at 9:51 PM, Wander Winkelhorst wrote: > > On Mon, Mar 24, 2008 at 4:00 PM, Nitin Gupta > wrote: > > Hi All, > > > > Hi, > > > > (sending to lkml since I didn't get any reply at linux-mm). > > > > This implements a RAM based block device which acts as swap disk. > > Pages swapped to this disk are compressed and stored in memory itself. > > This allows more applications to fit in given amount of memory. This is > > especially useful for embedded devices, OLPC and small desktops > > (aka virtual machines). > > > > I think this is a very interesting patch, but I find the name confusing, it > isn't actually a compresed cache, now is it? It's just a compressed ramdisk. In future, I intend to extend it to include page-cache compression also. > Is it possible to use it as a initramfs as well? I guess not since R/W have to be page-aligned in this case. > How many can I run at the same time? > Only 1 for now :) > > > > > Project home: http://code.google.com/p/compcache/ > > > > This page shows the usage as: > > Loading: run 'use_compcache.sh ' to load all > required modules and setup swap device. If size is not specified, default > size of 25% of RAM is used. > > Does that mean that if I load compcache without using it, I still lose 25% > of my memory? Or is the memory dynamically allocated? > Memory is dynamically allocated. Thanks, Nitin > Regards, > Wander Winkelhorst > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org