From: Nishanth Aravamudan <nacc@us.ibm.com>
To: Adam Litke <agl@us.ibm.com>
Cc: wli@holomorphy.com, lee.schermerhorn@hp.com, linux-mm@kvack.org
Subject: Re: [PATCH 1/3] hugetlb: numafy several functions
Date: Fri, 8 Feb 2008 08:48:29 -0800 [thread overview]
Message-ID: <20080208164829.GA15903@us.ibm.com> (raw)
In-Reply-To: <1202488644.11987.5.camel@localhost.localdomain>
On 08.02.2008 [10:37:24 -0600], Adam Litke wrote:
> On Wed, 2008-02-06 at 15:15 -0800, Nishanth Aravamudan wrote:
> > @@ -141,6 +149,18 @@ static void free_huge_page(struct page *page)
> > * balanced by operating on them in a round-robin fashion.
> > * Returns 1 if an adjustment was made.
> > */
> > +static int adjust_pool_surplus_node(int delta, int nid)
> > +{
> > + if (delta < 0 && !surplus_huge_pages_node[nid])
> > + return 0;
> > + if (delta > 0 && surplus_huge_pages_node[nid] >=
> > + nr_huge_pages_node[nid])
> > + return 0;
> > + surplus_huge_pages += delta;
> > + surplus_huge_pages_node[nid] += delta;
> > + return 1;
> > +}
> > +
> > static int adjust_pool_surplus(int delta)
> > {
> > static int prev_nid;
> > @@ -152,19 +172,9 @@ static int adjust_pool_surplus(int delta)
> > nid = next_node(nid, node_online_map);
> > if (nid == MAX_NUMNODES)
> > nid = first_node(node_online_map);
> > -
> > - /* To shrink on this node, there must be a surplus page */
> > - if (delta < 0 && !surplus_huge_pages_node[nid])
> > - continue;
> > - /* Surplus cannot exceed the total number of pages */
> > - if (delta > 0 && surplus_huge_pages_node[nid] >=
> > - nr_huge_pages_node[nid])
> > - continue;
>
> Unless I am misreading the diff, it seems the above comments were lost
> in translation. I vote for preserving them :) Otherwise this looks
> pretty good to me.
Oops, sorry about that, Adam. I'll update this in my next posting,
pending any other comments/testing feedback.
Thanks,
Nish
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prev parent reply other threads:[~2008-02-08 16:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-06 23:15 Nishanth Aravamudan
2008-02-06 23:18 ` [PATCH 2/3] hugetlb: add per-node nr_hugepages sysfs attribute Nishanth Aravamudan
2008-02-06 23:19 ` [PATCH 3/3] hugetlb: interleave dequeing of huge pages Nishanth Aravamudan
2008-02-06 23:23 ` [UPDATED][PATCH 2/3] hugetlb: add per-node nr_hugepages sysfs attribute Nishanth Aravamudan
2008-02-07 0:03 ` [PATCH " Greg KH
2008-02-07 0:59 ` Nishanth Aravamudan
2008-02-07 18:35 ` [PATCH 1/3] hugetlb: numafy several functions Lee Schermerhorn
2008-02-07 18:52 ` Nishanth Aravamudan
2008-02-08 16:47 ` Lee Schermerhorn
2008-02-08 17:08 ` Nishanth Aravamudan
2008-02-08 16:37 ` Adam Litke
2008-02-08 16:48 ` Nishanth Aravamudan [this message]
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