* [PATCH] staging: android: ion: Use low_order_gfp_flags for smaller allocations
@ 2019-02-12 7:09 Jing Xia
2019-02-13 18:27 ` Laura Abbott
0 siblings, 1 reply; 3+ messages in thread
From: Jing Xia @ 2019-02-12 7:09 UTC (permalink / raw)
To: labbott, sumit.semwal, gregkh, arve, tkjos, maco, joel,
christian, puck.chen
Cc: devel, dri-devel, linaro-mm-sig, linux-kernel, jing.xia.mail,
yuming.han, zhaoyang.huang, orson.zhai, wenan.hu
gfp_flags is always set high_order_gfp_flags even if allocations of
order 0 are made.But for smaller allocations, the system should be able
to reclaim some memory.
Signed-off-by: Jing Xia <jing.xia@unisoc.com>
Reviewed-by: Yuming Han <yuming.han@unisoc.com>
Reviewed-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
Reviewed-by: Orson Zhai <orson.zhai@unisoc.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 0383f75..20f2103 100644
--- a/drivers/staging/android/ion/ion_system_heap.c
+++ b/drivers/staging/android/ion/ion_system_heap.c
@@ -223,10 +223,10 @@ static void ion_system_heap_destroy_pools(struct ion_page_pool **pools)
static int ion_system_heap_create_pools(struct ion_page_pool **pools)
{
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;
if (orders[i] > 4)
gfp_flags = high_order_gfp_flags;
--
1.9.1
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] staging: android: ion: Use low_order_gfp_flags for smaller allocations
2019-02-12 7:09 [PATCH] staging: android: ion: Use low_order_gfp_flags for smaller allocations Jing Xia
@ 2019-02-13 18:27 ` Laura Abbott
2019-02-14 2:08 ` jing xia
0 siblings, 1 reply; 3+ messages in thread
From: Laura Abbott @ 2019-02-13 18:27 UTC (permalink / raw)
To: Jing Xia, sumit.semwal, gregkh, arve, tkjos, maco, joel,
christian, puck.chen
Cc: devel, dri-devel, linaro-mm-sig, linux-kernel, yuming.han,
zhaoyang.huang, orson.zhai, wenan.hu
On 2/11/19 11:09 PM, Jing Xia wrote:
> gfp_flags is always set high_order_gfp_flags even if allocations of
> order 0 are made.But for smaller allocations, the system should be able
> to reclaim some memory.
>
> Signed-off-by: Jing Xia <jing.xia@unisoc.com>
> Reviewed-by: Yuming Han <yuming.han@unisoc.com>
> Reviewed-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
> Reviewed-by: Orson Zhai <orson.zhai@unisoc.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 0383f75..20f2103 100644
> --- a/drivers/staging/android/ion/ion_system_heap.c
> +++ b/drivers/staging/android/ion/ion_system_heap.c
> @@ -223,10 +223,10 @@ static void ion_system_heap_destroy_pools(struct ion_page_pool **pools)
> static int ion_system_heap_create_pools(struct ion_page_pool **pools)
> {
> 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;
>
> if (orders[i] > 4)
> gfp_flags = high_order_gfp_flags;
>
This was already submitted in
https://lore.kernel.org/lkml/1549004386-38778-1-git-send-email-saberlily.xia@hisilicon.com/T/#u
(I'm also very behind on Ion e-mail and need to catch up...)
Laura
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] staging: android: ion: Use low_order_gfp_flags for smaller allocations
2019-02-13 18:27 ` Laura Abbott
@ 2019-02-14 2:08 ` jing xia
0 siblings, 0 replies; 3+ messages in thread
From: jing xia @ 2019-02-14 2:08 UTC (permalink / raw)
To: Laura Abbott
Cc: Sumit Semwal, gregkh, arve, tkjos, maco, joel, christian,
puck.chen, devel, dri-devel, linaro-mm-sig, linux-kernel,
yuming.han, zhaoyang.huang, orson.zhai, wenan.hu
Thanks.
On Thu, Feb 14, 2019 at 2:27 AM Laura Abbott <labbott@redhat.com> wrote:
>
> On 2/11/19 11:09 PM, Jing Xia wrote:
> > gfp_flags is always set high_order_gfp_flags even if allocations of
> > order 0 are made.But for smaller allocations, the system should be able
> > to reclaim some memory.
> >
> > Signed-off-by: Jing Xia <jing.xia@unisoc.com>
> > Reviewed-by: Yuming Han <yuming.han@unisoc.com>
> > Reviewed-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
> > Reviewed-by: Orson Zhai <orson.zhai@unisoc.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 0383f75..20f2103 100644
> > --- a/drivers/staging/android/ion/ion_system_heap.c
> > +++ b/drivers/staging/android/ion/ion_system_heap.c
> > @@ -223,10 +223,10 @@ static void ion_system_heap_destroy_pools(struct ion_page_pool **pools)
> > static int ion_system_heap_create_pools(struct ion_page_pool **pools)
> > {
> > 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;
> >
> > if (orders[i] > 4)
> > gfp_flags = high_order_gfp_flags;
> >
>
> This was already submitted in
> https://lore.kernel.org/lkml/1549004386-38778-1-git-send-email-saberlily.xia@hisilicon.com/T/#u
> (I'm also very behind on Ion e-mail and need to catch up...)
>
> Laura
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2019-02-14 2:09 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2019-02-12 7:09 [PATCH] staging: android: ion: Use low_order_gfp_flags for smaller allocations Jing Xia
2019-02-13 18:27 ` Laura Abbott
2019-02-14 2:08 ` jing xia
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