Re: [RFC 2/3] mm: Add a new page flag PageLayzyFree() for MADV_FREE

David Hildenbrand
2020-02-28T06:13:45Z

> Am 28.02.2020 um 04:38 schrieb Huang, Ying <ying.huang@intel.com>:
>
> ﻿From: Huang Ying <ying.huang@intel.com>
>
> Now !PageSwapBacked() is used as the flag for the pages freed lazily
> via MADV_FREE. This isn't obvious enough. So Dave suggested to add a
> new page flag for that to improve the code readability.

This patch subject and description is *really* confusing. You‘re adding a helper function, not a page flag. It‘s a fairly easy refactoring.

(Adding new page flags is close to impossible).

Cheers!