RE: [PATCH 0/1] Solve zero page causing multiple page faults

2024-04-02 Thread Liu, Yuan1
> -Original Message- > From: Liu, Yuan1 > Sent: Monday, April 1, 2024 11:41 PM > To: pet...@redhat.com; faro...@suse.de > Cc: qemu-devel@nongnu.org; hao.xi...@bytedance.com; > bryan.zh...@bytedance.com; Liu, Yuan1 ; Zou, Nanhai > > Subject: [PATCH 0/1] Solve ze

[PATCH 0/1] Solve zero page causing multiple page faults

2024-04-02 Thread Yuan Liu
1. Description of multiple page faults for received zero pages a. -mem-prealloc feature and hugepage backend are not enabled on the destination b. After receiving the zero pages, the destination first determines if the current page content is 0 via buffer_is_zero, this may