On 4/1/20 12:08 PM, Yu-cheng Yu wrote: >>> +/* >>> + * This bit indicates a copy-on-write page, and is different from >>> + * _PAGE_BIT_SOFT_DIRTY, which tracks which pages a task writes to. >>> + */ >>> +#define _PAGE_BIT_DIRTY_SW _PAGE_BIT_SOFTW5 /* was written to */ >> Does it *only* indicate a copy-on-write (or copy-on-access) page? If >> so, haven't we misnamed it? > It indicates either a copy-on-write page or a read-only page that has been > cow'ed. What about _PAGE_BIT_COW? Sounds sane to me.
