* Re: [PATCH] pmcraid: don't use GFP_DMA in pmcraid_alloc_sglist
[not found] <20211222092247.928711-1-hch@lst.de>
@ 2022-01-05 20:35 ` Christophe JAILLET
2022-01-10 8:50 ` Christoph Hellwig
0 siblings, 1 reply; 2+ messages in thread
From: Christophe JAILLET @ 2022-01-05 20:35 UTC (permalink / raw)
To: hch; +Cc: linux-scsi, martin.petersen, Kernel Janitors
> The driver doesn't express DMA addressing limitation under 32-bits
> anywhere else, so remove the spurious GFP_DMA allocation.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> drivers/scsi/pmcraid.c <https://lore.kernel.org/all/20211222092247.928711-1-hch@lst.de/#Z31drivers:scsi:pmcraid.c> | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff
<https://lore.kernel.org/all/20211222092247.928711-1-hch@lst.de/#iZ31drivers:scsi:pmcraid.c>
--git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c > index
2fe7a0019fff2..928532180d323 100644 > --- a/drivers/scsi/pmcraid.c > +++
b/drivers/scsi/pmcraid.c > @@ -3221,8 +3221,8 @@ static struct
pmcraid_sglist *pmcraid_alloc_sglist(int buflen) > return NULL;
>
> sglist->order = order;
> - sgl_alloc_order(buflen, order, false, > - GFP_KERNEL | GFP_DMA | __GFP_ZERO, &sglist->num_sg); > +
sgl_alloc_order(buflen, order, false, GFP_KERNEL | __GFP_ZERO, > +
&sglist->num_sg); >
> return sglist;
> }
Hi,
some time ago I sent a patch because the address returned by
sgl_alloc_order() isn't saved anywhere and really look like a bogus allocation and certainly a memory leak.
See https://lore.kernel.org/linux-kernel/20200920075722.376644-1-christophe.jaillet@wanadoo.fr/
CJ
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] pmcraid: don't use GFP_DMA in pmcraid_alloc_sglist
2022-01-05 20:35 ` [PATCH] pmcraid: don't use GFP_DMA in pmcraid_alloc_sglist Christophe JAILLET
@ 2022-01-10 8:50 ` Christoph Hellwig
0 siblings, 0 replies; 2+ messages in thread
From: Christoph Hellwig @ 2022-01-10 8:50 UTC (permalink / raw)
To: Christophe JAILLET; +Cc: hch, linux-scsi, martin.petersen, Kernel Janitors
On Wed, Jan 05, 2022 at 09:35:12PM +0100, Christophe JAILLET wrote:
> some time ago I sent a patch because the address returned by
> sgl_alloc_order() isn't saved anywhere and really look like a bogus allocation and certainly a memory leak.
>
> See https://lore.kernel.org/linux-kernel/20200920075722.376644-1-christophe.jaillet@wanadoo.fr/
Can you resubmit that patch?
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-01-10 8:53 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <20211222092247.928711-1-hch@lst.de>
2022-01-05 20:35 ` [PATCH] pmcraid: don't use GFP_DMA in pmcraid_alloc_sglist Christophe JAILLET
2022-01-10 8:50 ` Christoph Hellwig
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).