From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753397Ab1HBKhv (ORCPT ); Tue, 2 Aug 2011 06:37:51 -0400 Received: from nm19.bullet.mail.bf1.yahoo.com ([98.139.212.178]:28471 "HELO nm19.bullet.mail.bf1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753297Ab1HBKhe convert rfc822-to-8bit (ORCPT ); Tue, 2 Aug 2011 06:37:34 -0400 X-Greylist: delayed 352 seconds by postgrey-1.27 at vger.kernel.org; Tue, 02 Aug 2011 06:37:34 EDT X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 113948.47238.bm@omp1033.mail.bf1.yahoo.com DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:Message-ID:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=vwXdm46oAk2hwnQjDEQ2ec8kaE6s6cpvDCt/j4CG6+vywqwYkgdCvJepdtkvZSjDjHF61Cklpkqb9tLtTiXYbherLM9sAWhyw4iygyP6sAqQBvsmD5j+5KhoECbOrlIHB61nILm5sRcw6sJHkoqA1lYYySXr9nrYERd+kkG3neg=; X-YMail-OSG: IAwpxzIVM1mh3Po36nA2P1sMaUhMwfwTp.Rjp324Tapmref tY1bQjtqNjIFVQYRs.4pXrD2V0LutMmSuZq.LgE68UI533usJhN7QWU3IRum A8y3v6KKk0bXL1cQVv.sgtkQjecrHgVSPlNvo0Znio6EAAhc1nLpxLI1fMEA W.FR0haaVq7BqQOuB9yP70ij_Dm_UajWWfqnJ29SY_TcsaDHX5nLO5gGjkCZ nh1z149TdilEEWFy.Wjbc8StP5bk50WvuGTsTtBqfHXC5gy_MUqw_.IwGyHE Dlw.OFAKl.ku6zMQS5iMPllVTCyIwMjqBphSC4nRhE1en8RWRgtLo1zOqCde 5.ZDyeoWjDXUxXx7jyjQuERQhzETXKhxW1G9eER1x3GYf98Evf8oVCQ-- X-Mailer: YahooMailWebService/0.8.112.310352 Message-ID: <1312281101.75725.YahooMailNeo@web162015.mail.bf1.yahoo.com> Date: Tue, 2 Aug 2011 03:31:41 -0700 (PDT) From: Pintu Agarwal Reply-To: Pintu Agarwal Subject: Relation between PFN and page block ? To: "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dear All,   I am trying to understand the relation between "Page Frame Number" and "Page Block". Like how to find out if a particular page frame is associated with which page block.   I have looked into Documentation/vm/pagemap but could not understand the exact mapping.   Can somebody explain me in detail how page frame number and page block are related.     Thanks, Pintu