在 2020/8/12 下午7:43, Alex Shi 写道: >>> Sorry, I still can not follow you here. Compound code part is unchanged >>> and follow the original logical. So would you like to pose a new code to >>> see if its works? >> No there are significant changes as you reordered all of the >> operations. Prior to your change the LRU bit was checked, but not >> cleared before testing for PageCompound. Now you are clearing it >> before you are testing if it is a compound page. So if compaction is >> running we will be seeing the pages in the LRU stay put, but the >> compound bit flickering off and on if the compound page is encountered >> with the wrong or NULL lruvec. What I was suggesting is that the > The lruvec could be wrong or NULL here, that is the base stone of whole > patchset. > Sorry for typo. s/could/could not/
