Re: Re: [PATCH 0/1] arm64/sparsemem: reduce SECTION_SIZE_BITS

2021-01-28 Thread Pavel Tatashin
On 1/21/21 1:26 PM, Will Deacon wrote: > On Wed, 20 Jan 2021 21:29:12 -0800, Sudarshan Rajagopalan wrote: >> This patch is the follow-up from the discussions in the thread [1]. >> Reducing the section size has the merit of reducing wastage of reserved >> memory >> for vmmemmap mappings for sect

Re: [PATCH 0/1] arm64/sparsemem: reduce SECTION_SIZE_BITS

2021-01-21 Thread Will Deacon
On Wed, 20 Jan 2021 21:29:12 -0800, Sudarshan Rajagopalan wrote: > This patch is the follow-up from the discussions in the thread [1]. > Reducing the section size has the merit of reducing wastage of reserved memory > for vmmemmap mappings for sections with large memory holes. Also with smaller > s

[PATCH 0/1] arm64/sparsemem: reduce SECTION_SIZE_BITS

2021-01-20 Thread Sudarshan Rajagopalan
This patch is the follow-up from the discussions in the thread [1]. Reducing the section size has the merit of reducing wastage of reserved memory for vmmemmap mappings for sections with large memory holes. Also with smaller section size gives more grunularity and agility for memory hot(un)pluggin