Re: [PATCH v2] mm/hugetlb: avoid looping to the same hugepage if !pages and !vmas

Mike Kravetz 于2019年9月4日周三 上午5:26写道： > > On 8/29/19 6:50 AM, Zhigang Lu wrote: > > From: Zhigang Lu > > > > When mmapping an existing hugetlbfs file with MAP_POPULATE, we find > > it is very time consuming. For example, mmapping a 128GB file takes > > about 50 milliseconds. Sampling with

答复: [PATCH] mm/hugetlb: avoid looping to the same hugepage if !pages and !vmas(Internet mail)

-邮件原件- 发件人: Matthew Wilcox 发送时间: 2019年8月29日 19:55 收件人: zhigang lu 抄送: mike.krav...@oracle.com; linux...@kvack.org; linux-kernel@vger.kernel.org; tonnylu(陆志刚) ; hzhongzhang(张昊中) ; knightzhang(张宗明) 主题: Re: [PATCH] mm/hugetlb: avoid looping to the same hugepage if !pages and !vmas