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SubjectRe: [PATCH] mm: don't show nr_indirectly_reclaimable in /proc/vmstat
On Fri, 27 Apr 2018, Vlastimil Babka wrote:

> It was in the original thread, see e.g.
> <>
> However it will take some time to get that in mainline, and meanwhile
> the current implementation does prevent a DOS. So I doubt it can be
> fully reverted - as a compromise I just didn't want the counter to
> become ABI. TBH though, other people at LSF/MM didn't seem concerned
> that /proc/vmstat is an ABI that we can't change (i.e. counters have
> been presumably removed in the past already).

What prevents this from being a simple atomic_t that gets added to in
__d_alloc(), subtracted from in __d_free_external_name(), and read in
si_mem_available() and __vm_enough_memory()?

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