Re: [External] Re: [PATCH v12 12/13] mm/hugetlb: Gather discrete indexes of tail page

2021-01-13 Thread Muchun Song
On Thu, Jan 14, 2021 at 8:18 AM Mike Kravetz wrote: > > On 1/6/21 6:19 AM, Muchun Song wrote: > > For HugeTLB page, there are more metadata to save in the struct page. > > But the head struct page cannot meet our needs, so we have to abuse > > other tail struct page to store the metadata. In

Re: [PATCH v12 12/13] mm/hugetlb: Gather discrete indexes of tail page

2021-01-13 Thread Mike Kravetz
On 1/6/21 6:19 AM, Muchun Song wrote: > For HugeTLB page, there are more metadata to save in the struct page. > But the head struct page cannot meet our needs, so we have to abuse > other tail struct page to store the metadata. In order to avoid > conflicts caused by subsequent use of more tail

[PATCH v12 12/13] mm/hugetlb: Gather discrete indexes of tail page

2021-01-06 Thread Muchun Song
For HugeTLB page, there are more metadata to save in the struct page. But the head struct page cannot meet our needs, so we have to abuse other tail struct page to store the metadata. In order to avoid conflicts caused by subsequent use of more tail struct pages, we can gather these discrete