Re: [PATCH resend] mm: drain percpu lru add/rotate page-vectors oncpu hot-unplug

[Andrew Morton]

On Tue, 28 Feb 2012 23:40:45 +0400
Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx> wrote:

> This cpu hotplug hook was accidentally removed in commit v2.6.30-rc4-18-g00a62ce
> ("mm: fix Committed_AS underflow on large NR_CPUS environment")

That was a long time ago - maybe we should leave it removed ;) I mean,
did this bug(?) have any visible effect?  If so, what was that effect?

IOW, the changelog didn't give anyone any reason to apply the patch to
anything!
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