Messages in this thread | | | From | Yu Zhao <> | Date | Fri, 15 Apr 2022 14:17:43 -0600 | Subject | Re: [PATCH v10 06/14] mm: multi-gen LRU: minimal implementation |
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On Fri, Apr 15, 2022 at 4:16 AM Barry Song <21cnbao@gmail.com> wrote: > > On Fri, Apr 15, 2022 at 9:40 AM Andrew Morton <akpm@linux-foundation.org> wrote: > > > > On Thu, 14 Apr 2022 14:36:03 -0600 Yu Zhao <yuzhao@google.com> wrote: > > > > > > or it is only something > > > > meaningful for the internal code? > > > > > > This is how swappiness is interpreted. > > > > > > > if so, can we rename it to > > > > something else? otherwise, it is quite confusing. > > > > > > Feel free to suggest something. > > > > It is confusing, swap_preference? > > seems to be much better. might also be worth using MACRO to replace those > 1, 200, 0 magic numbers to tell readers the exact meaning?
How do you read "swap_preference=0"?
I read it as "no (swap) preference", which means anon and file are equal. The real meaning though, is "don't swap"; and the "no preference" value is actually 100.
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