From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andre Noll Subject: Re: Minor mdadm fixes Date: Tue, 12 Jan 2010 06:21:43 +0100 Message-ID: <20100112052143.GP21495@skl-net.de> References: <1263242294-5353-1-git-send-email-dledford@redhat.com> <20100112031027.GL7517@skl-net.de> <4B4BEE48.1000305@redhat.com> <20100112043933.GO21495@skl-net.de> <4B4BFEA8.7020607@redhat.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="+hZIELbchok2+JHy" Return-path: Content-Disposition: inline In-Reply-To: <4B4BFEA8.7020607@redhat.com> Sender: linux-raid-owner@vger.kernel.org To: Doug Ledford Cc: "Mr. James W. Laferriere" , linux-raid@vger.kernel.org List-Id: linux-raid.ids --+hZIELbchok2+JHy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 23:46, Doug Ledford wrote: > > Just out of interest: Why does mdmon need the restart at all? >=20 > Because of the design and limitation of page cache. If you start a long > running program from the initramfs, then the page cache usage will pin > the initramfs in memory. You need to reexec the program from the hard > drive so that the initramfs can be freed. Of course, this is all > because superblock handling for imsm superblocks is in user > space.... You could copy the mdmon executable to /dev and execute it there :) Andre --=20 The only person who always got his work done by Friday was Robinson Crusoe --+hZIELbchok2+JHy Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFLTAbnWto1QDEAkw8RAhbtAJ9/KryTEiUBGtGJ5o8qjakYkfUYmwCfSvVS aITQNff3lkMMEPBLu+Wv5sc= =nGgm -----END PGP SIGNATURE----- --+hZIELbchok2+JHy--