From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jim Nelson Subject: Re: Query regarding Copy-on-write Date: Sat, 20 Nov 2004 09:22:17 -0500 Message-ID: <419F5319.8090500@verizon.net> References: <1100947162.4038.43.camel@myLinux> <419F4DA7.1070606@ieee.org> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <419F4DA7.1070606@ieee.org> Sender: linux-newbie-owner@vger.kernel.org List-Id: Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: Simon Valiquette Cc: linux-newbie@vger.kernel.org Simon Valiquette wrote: > Jagadeesh Bhaskar P a =E9crit : >> How can this work? Can someone please help me on this regard? >> >=20 > I think I gave a good overview of the question. I tried to keep=20 > things as simple as I could, at the cost of not giving an exact=20 > description of how Linux handle COW. For example, there is in fact 3= =20 > levels of page table indirections in Linux, but it was not necessary = to=20 > understand COW. >=20 4-level page tables just were merged into the kernel mainline as of 2.6= =2E10-rc2 -=20 mostly to support the big iron that has almost-terabyte-level system me= mory (the=20 SGI Altix, some of the big stuff from IBM, some other NUMA machines). Jim - To unsubscribe from this list: send the line "unsubscribe linux-newbie"= in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs