[PATCH] staging: android: ion: fix sys heap pool's gfp_flags

Xiaqing (A) saberlily.xia at hisilicon.com
Fri Feb 1 08:30:53 UTC 2019



On 2019/2/1 16:15, Dan Carpenter wrote:
> On Fri, Feb 01, 2019 at 02:59:46PM +0800, Qing Xia wrote:
>> In the first loop, gfp_flags will be modified to high_order_gfp_flags,
>> and there will be no chance to change back to low_order_gfp_flags.
>>
>> Fixes: e7f63771 ("ION: Sys_heap: Add cached pool to spead up cached buffer alloc")
> 
> Huh...  Presumably you found this bug just by reading the code.  I
> wonder how it affects runtime?
> 
The problem is that when I found that there was no page allocation failure warning
after the failure of the ion alloc in my test, and then I found the problem of gfp_flags.

regards,
Qing

> regards,
> dan carpenter
> 
> 
> .
> 



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