On Tue, 6 Oct 2020, Dave Hansen wrote:
> But, when the bit was removed (bit 0) the _other_ bit locations also
> got changed. That's not OK because the bit values are documented to
> mean one specific thing and users surely rely on them meaning that one
> thing and not changing from kernel to kern
From: Dave Hansen
I went to go add a new RECLAIM_* mode for the zone_reclaim_mode
sysctl. Like a good kernel developer, I also went to go update the
documentation. I noticed that the bits in the documentation didn't
match the bits in the #defines.
The VM never explicitly checks the RECLAIM_Z
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