On 02/13/2018 07:52 PM, Alexey Kuznetsov wrote:
> Hello!
>
> BTW, check this a few lines above:
>
> gfp_head = gfp_mask;
> if (gfp_head & __GFP_WAIT)
> gfp_head |= __GFP_REPEAT;
>
> What is this??
>
Can't tell you why this was added and what purpose does it se
Hello!
BTW, check this a few lines above:
gfp_head = gfp_mask;
if (gfp_head & __GFP_WAIT)
gfp_head |= __GFP_REPEAT;
What is this??
On Tue, Feb 13, 2018 at 5:21 PM, Andrey Ryabinin
wrote:
> From: Shaohua Li
>
> We saw excessive direct memory compaction triggere
From: Shaohua Li
We saw excessive direct memory compaction triggered by skb_page_frag_refill.
This causes performance issues and add latency. Commit 5640f7685831e0
introduces the order-3 allocation. According to the changelog, the order-3
allocation isn't a must-have but to improve performance. B
