Messages in this thread | | | Date | Tue, 27 Jun 2023 12:22:01 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] mm/ksm: delete the redundant ksm_merging_pages interafce in proc |
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On Tue, 27 Jun 2023 21:35:42 +0800 Nanyong Sun <sunnanyong@huawei.com> wrote:
> Since the ksm_merging_pages information already included in > /proc/<pid>/ksm_stat, we can delete /proc/<pid>/ksm_merging_pages to > make the directory more clean, and can save a little bit resources.
Well, this is a non backward compatible change - any userspace which depends on ksm_merging_pages will break.
Yes, we could remove this but it will be a lengthy process involving emitting a "please use ksm_stat instead" message for a few years before removal.
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