On Fri, 4 May 2007, Andrew Morton wrote:
>
> Please be careful to add the appropriate cc's.
>
> On Mon, 30 Apr 2007 04:37:22 -0400 (EDT) "Robert P. J. Day" <[email protected]> wrote:
>
> >
> > Remove the apparently redundant GFP_KERNEL type flag in the call to
> > kmalloc().
> >
> > Signed-off-by: Robert P. J. Day <[email protected]>
> >
> > ---
> >
> > diff --git a/drivers/scsi/aic7xxx_old.c b/drivers/scsi/aic7xxx_old.c
> > index a988d5a..765ded0 100644
> > --- a/drivers/scsi/aic7xxx_old.c
> > +++ b/drivers/scsi/aic7xxx_old.c
> > @@ -6581,7 +6581,7 @@ aic7xxx_slave_alloc(struct scsi_device *SDptr)
> > struct aic7xxx_host *p = (struct aic7xxx_host *)SDptr->host->hostdata;
> > struct aic_dev_data *aic_dev;
> >
> > - aic_dev = kmalloc(sizeof(struct aic_dev_data), GFP_ATOMIC | GFP_KERNEL);
> > + aic_dev = kmalloc(sizeof(struct aic_dev_data), GFP_ATOMIC);
>
> No, this converts the allocation from a robust one which can sleep into a
> flakey one which cannot.
... snip ...
at this point, i'd be happier to leave the appropriate patches in the
hands of those who have a better handle on this. as i posted earlier,
there's only two examples of this in the entire tree:
drivers/scsi/aic7xxx_old.c: aic_dev = kmalloc(sizeof(struct aic_dev_data), GFP_ATOMIC | GFP_KERNEL);
drivers/message/i2o/device.c: resblk = kmalloc(buflen + 8, GFP_KERNEL | GFP_ATOMIC);
it's all yours.
rday
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA
http://fsdev.net/wiki/index.php?title=Main_Page
========================================================================
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