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From: Subrata Modak <subrata@linux.vnet.ibm.com> To: Nadia Derbey <Nadia.Derbey@bull.net> Cc: Matt Helsley <matthltc@us.ibm.com>, Andrew Morton <akpm@linux-foundation.org>, ltp-list@lists.sourceforge.net, containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, cmm@us.ibm.com, y-goto@jp.fujitsu.com Subject: Re: [LTP] [PATCH 1/8] Scaling msgmni to the amount of lowmem Date: Fri, 22 Feb 2008 14:11:26 +0530 [thread overview] Message-ID: <1203669686.4567.0.camel@subratamodak.linux.ibm.com> (raw) In-Reply-To: <47BE6AD0.6070309@bull.net> On Fri, 2008-02-22 at 07:25 +0100, Nadia Derbey wrote: > Subrata Modak wrote: > >>Nadia Derbey wrote: > >> > >>>Matt Helsley wrote: > >>> > >>> > >>>>On Tue, 2008-02-19 at 18:16 +0100, Nadia Derbey wrote: > >>>> > >>>><snip> > >>>> > >>>>>+#define MAX_MSGQUEUES 16 /* MSGMNI as defined in linux/msg.h */ > >>>>>+ > >>>> > >>>> > >>>> > >>>>It's not quite the maximum anymore, is it? More like the minumum > >>>>maximum ;). A better name might better document what the test is > >>>>actually trying to do. > >>>> > >>>>One question I have is whether the unpatched test is still valuable. > >>>>Based on my limited knowledge of the test I suspect it's still a correct > >>>>test of message queues. If so, perhaps renaming the old test (so it's > >>>>not confused with a performance regression) and adding your patched > >>>>version is best? > >>>> > >>> > >>>So, here's the new patch based on Matt's points. > >>> > >>>Subrata, it has to be applied on top of the original ltp-full-20080131. > >>>Please tell me if you'd prefer one based on the merged version you've > >>>got (i.e. with my Tuesday patch applied). > > > > > > Nadia, I would prefer Patch on the top of the already merged version (on > > top of latest CVS snapshot as of today). Anyways, thanks for all these > > effort :-) > > > > --Subrata > > > > In attachment, you'll find a patch to apply on top of the patches I sent > you on Tuesday. Nadia, Thanks a ton for that. The same has been merged. Regards-- Subrata > > Regards, > Nadia
next prev parent reply other threads:[~2008-02-22 8:42 UTC|newest] Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top 2008-02-11 14:16 [PATCH 0/8] Change default MSGMNI tunable to scale with lowmem (v3) Nadia.Derbey 2008-02-11 14:16 ` [PATCH 1/8] Scaling msgmni to the amount of lowmem Nadia.Derbey 2008-02-16 5:59 ` Andrew Morton 2008-02-18 9:19 ` Nadia Derbey 2008-02-18 13:08 ` Nadia Derbey 2008-02-19 8:50 ` [LTP] " Subrata Modak 2008-02-19 17:16 ` Nadia Derbey 2008-02-19 22:16 ` Matt Helsley 2008-02-21 8:39 ` Nadia Derbey 2008-02-21 12:36 ` Nadia Derbey 2008-02-21 13:02 ` Nadia Derbey 2008-02-21 13:39 ` Subrata Modak 2008-02-22 6:25 ` Nadia Derbey 2008-02-22 8:41 ` Subrata Modak [this message] 2008-02-20 9:44 ` Subrata Modak 2008-04-29 20:28 ` Tony Luck 2008-05-05 8:45 ` Nadia Derbey 2008-05-06 16:42 ` Luck, Tony 2008-05-06 18:05 ` Serge E. Hallyn 2008-05-07 5:37 ` Nadia Derbey 2008-05-07 13:17 ` Serge E. Hallyn 2008-05-07 18:12 ` Matt Helsley 2008-05-07 5:13 ` Nadia Derbey 2008-02-11 14:16 ` [PATCH 2/8] Scaling msgmni to the number of ipc namespaces Nadia.Derbey 2008-02-11 14:16 ` [PATCH 3/8] Defining the slab_memory_callback priority as a constant Nadia.Derbey 2008-02-11 14:16 ` [PATCH 4/8] Recomputing msgmni on memory add / remove Nadia.Derbey 2008-02-11 14:16 ` [PATCH 5/8] Invoke the ipcns notifier chain as a work item Nadia.Derbey 2008-02-11 14:16 ` [PATCH 6/8] Recomputing msgmni on ipc namespace creation/removal Nadia.Derbey 2008-02-11 14:16 ` [PATCH 7/8] Do not recompute msgmni anymore if explicitely set by user Nadia.Derbey 2008-02-11 20:24 ` Andrew Morton 2008-02-12 9:32 ` Nadia Derbey 2008-02-12 9:44 ` Andrew Morton 2008-02-12 15:15 ` Nadia Derbey 2008-02-12 19:44 ` Andrew Morton 2008-02-14 11:47 ` Nadia Derbey 2008-02-12 9:45 ` Nadia Derbey 2008-02-11 14:16 ` [PATCH 8/8] Re-enable msgmni automatic recomputing msgmni if set to negative Nadia.Derbey 2008-02-11 20:27 ` Andrew Morton 2008-02-12 11:38 ` Nadia Derbey
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