All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@lst.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Greg Ungerer <gerg@linux-m68k.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>,
	Linux IOMMU <iommu@lists.linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] switch m68k to use the generic remapping DMA allocator
Date: Tue, 25 Jun 2019 09:35:24 +0200	[thread overview]
Message-ID: <20190625073524.GA30815@lst.de> (raw)
In-Reply-To: <CAMuHMdUNwERTRg4MbkkD62EtNhsU7kWVy6x4kB89rYh6ann0Pw@mail.gmail.com>

On Tue, Jun 25, 2019 at 09:26:48AM +0200, Geert Uytterhoeven wrote:
> > > bloat-o-meter says:
> > >
> > > add/remove: 75/0 grow/shrink: 11/6 up/down: 4122/-82 (4040)
> >
> > What do these values stand for?  The code should grow a little as
> > we now need to include the the pool allocator for the above API
> > fix.
> 
> Last 3 values are "bytes added/removed (net increase)".
> So this increases the static kernel size by ca. 4 KiB.

That seems a lot for the little bit of pool code.  Did m68k not
build lib/genalloc.c by default before?

Also I'd be curious what the first 4 values are.

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>,
	Christoph Hellwig <hch@lst.de>,
	Linux IOMMU <iommu@lists.linux-foundation.org>,
	Greg Ungerer <gerg@linux-m68k.org>
Subject: Re: [RFC] switch m68k to use the generic remapping DMA allocator
Date: Tue, 25 Jun 2019 09:35:24 +0200	[thread overview]
Message-ID: <20190625073524.GA30815@lst.de> (raw)
In-Reply-To: <CAMuHMdUNwERTRg4MbkkD62EtNhsU7kWVy6x4kB89rYh6ann0Pw@mail.gmail.com>

On Tue, Jun 25, 2019 at 09:26:48AM +0200, Geert Uytterhoeven wrote:
> > > bloat-o-meter says:
> > >
> > > add/remove: 75/0 grow/shrink: 11/6 up/down: 4122/-82 (4040)
> >
> > What do these values stand for?  The code should grow a little as
> > we now need to include the the pool allocator for the above API
> > fix.
> 
> Last 3 values are "bytes added/removed (net increase)".
> So this increases the static kernel size by ca. 4 KiB.

That seems a lot for the little bit of pool code.  Did m68k not
build lib/genalloc.c by default before?

Also I'd be curious what the first 4 values are.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

  reply	other threads:[~2019-06-25  7:35 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-14 10:21 [RFC] switch m68k to use the generic remapping DMA allocator Christoph Hellwig
2019-06-14 10:21 ` Christoph Hellwig
2019-06-14 10:21 ` [PATCH 1/2] m68k: use the generic dma coherent remap allocator Christoph Hellwig
2019-06-14 10:21   ` Christoph Hellwig
2019-06-14 10:21 ` [PATCH 2/2] m68k: implement arch_dma_prep_coherent Christoph Hellwig
2019-06-14 10:21   ` Christoph Hellwig
2019-06-17 13:39 ` [RFC] switch m68k to use the generic remapping DMA allocator Greg Ungerer
2019-06-17 13:39   ` Greg Ungerer
2019-06-17 18:53 ` Geert Uytterhoeven
2019-06-17 18:53   ` Geert Uytterhoeven
2019-06-25  6:32   ` Christoph Hellwig
2019-06-25  6:32     ` Christoph Hellwig
2019-06-25  7:26     ` Geert Uytterhoeven
2019-06-25  7:26       ` Geert Uytterhoeven
2019-06-25  7:35       ` Christoph Hellwig [this message]
2019-06-25  7:35         ` Christoph Hellwig
2019-06-25  8:07         ` Geert Uytterhoeven
2019-06-25  8:07           ` Geert Uytterhoeven
2019-06-24  7:16 ` Geert Uytterhoeven
2019-06-24  7:16   ` Geert Uytterhoeven
2019-06-25  6:33   ` Christoph Hellwig
2019-06-25  6:33     ` Christoph Hellwig

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190625073524.GA30815@lst.de \
    --to=hch@lst.de \
    --cc=geert@linux-m68k.org \
    --cc=gerg@linux-m68k.org \
    --cc=iommu@lists.linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-m68k@lists.linux-m68k.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.