Re: [PATCH 00/12] introduce percpu block scan_hint

On Wed, Feb 27, 2019 at 09:18:27PM -0500, Dennis Zhou wrote: > Hi everyone, > > It was reported a while [1] that an increase in allocation alignment > requirement [2] caused the percpu memory allocator to do significantly > more work. > > After spending quite a bit of time diving into it, it seem

Re: [PATCH 00/12] introduce percpu block scan_hint

On Thu 28 Feb 2019 at 02:18, Dennis Zhou wrote: > Hi everyone, > > It was reported a while [1] that an increase in allocation alignment > requirement [2] caused the percpu memory allocator to do significantly > more work. > > After spending quite a bit of time diving into it, it seems the crux w

[PATCH 00/12] introduce percpu block scan_hint

Hi everyone, It was reported a while [1] that an increase in allocation alignment requirement [2] caused the percpu memory allocator to do significantly more work. After spending quite a bit of time diving into it, it seems the crux was the following: 1) chunk management by free_bytes caused al