On 26.09.23 04:33, Yajun Deng wrote:
When we init a single page, we need to mark this page reserved if itdoes.
I failed to parse the last part of this sentence.
And some pages may not need to set page count, such as compound pages.
Usually, the refcount of all tail pages *must* be zero. Otherwise, get_page_unless_zero() would work on tail pages.
Can you elaborate why it should be okay here? -- Cheers, David / dhildenb