On Tue, 2021-04-06 at 00:39 +0900, Wonkyo Choe wrote: > 1. In x86, are all page-table pages released at the end of > termination > by using free_pgtables()? > 2. In x86, a page-table page can be freed when there is no entry? In > other words, does the Linux kernel > release a page-table page on runtime? If so, what function would do > this kind of task? At munmap time, as well as exit and execve time, page tables can get freed. Look at the code between sys_munmap() and zap_page_range(). -- All Rights Reversed.
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