> On Aug 22, 2024, at 15:13, Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> wrote: > > In copy_pte_range(), we may modify the src_pte entry after holding the > src_ptl, so convert it to using pte_offset_map_rw_nolock(). But since we > already hold the write lock of mmap_lock, there is no need to get pmdval > to do pmd_same() check, just pass a dummy variable to it. > > Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> Reviewed-by: Muchun Song <muchun.song@xxxxxxxxx>
