On Thu, Aug 20, 2020 at 6:21 AM Yufen Yu <yuyufen@xxxxxxxxxx> wrote: > [...] > > Patch 8 ~ 10 actually implement shared page between multiple devices of > stripe_head. But they only make sense for PAGE_SIZE != 4096, likely, 64KB arm64 > system. It doesn't make any difference for PAGE_SIZE == 4096 system, likely x86. > > We have run tests of mdadm for raid456 and test raid6test module. > Not found obvious errors. Applied series to md-next. I noticed there is another case where we allocate page for sh->dev[i].orig_page in handle_stripe_dirtying(). This only happens with journal devices. Please run tests with journal device. Thanks, Song
