lkml.org 
[lkml]   [2018]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] ION: Sys_heap: fix the incorrect pool->gfp_mask setting
On Tue, Jan 09, 2018 at 11:30:09AM +0800, Chen Feng wrote:
>
>
> On 2018/1/9 18:43, Zeng Tao wrote:
> > This issue is introduced by the commit <e7f63771b60e> ("ION: Sys_heap:
> > Add cached pool to spead up cached buffer alloc"),

Use the Fixes tag.

Fixes: e7f63771b60e ("ION: Sys_heap: Add cached pool to spead up cached buffer alloc")

> the gfp_mask low
> > order pool is overlapped by the high order inside the loop, so the
> > gfp_mask of all pools are set to high_order_gfp_flags.
> >
>
> Thanks
> > Signed-off-by: Zeng Tao <prime.zeng@hisilicon.com>
> > ---
> > drivers/staging/android/ion/ion_system_heap.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c
> > index 4dc5d7a..b6386be 100644
> > --- a/drivers/staging/android/ion/ion_system_heap.c
> > +++ b/drivers/staging/android/ion/ion_system_heap.c
> > @@ -298,10 +298,10 @@ static int ion_system_heap_create_pools(struct ion_page_pool **pools,
> > bool cached)
> > {
> > int i;
> > - gfp_t gfp_flags = low_order_gfp_flags;
> >
> > for (i = 0; i < NUM_ORDERS; i++) {
> > struct ion_page_pool *pool;
> > + gfp_t gfp_flags = low_order_gfp_flags;
>
> Not define here. Better "gfp_flags = low_order_gfp_flags"

Either way is fine...

regards,
dan carpenter

\
 
 \ /
  Last update: 2018-01-14 23:18    [W:0.060 / U:0.536 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site