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| Started by | David Rientjes <rientjes@google.com> |
|---|---|
| First post | 2016-11-29 02:00 +0100 |
| Last post | 2016-11-29 02:00 +0100 |
| Articles | 1 — 1 participant |
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Re: [PATCH] RFC: dm: avoid the mutex lock in dm_bufio_shrink_count() David Rientjes <rientjes@google.com> - 2016-11-29 02:00 +0100
| From | David Rientjes <rientjes@google.com> |
|---|---|
| Date | 2016-11-29 02:00 +0100 |
| Subject | Re: [PATCH] RFC: dm: avoid the mutex lock in dm_bufio_shrink_count() |
| Message-ID | <sIEW5-Wo-9@gated-at.bofh.it> |
On Wed, 23 Nov 2016, Mikulas Patocka wrote: > From: Mikulas Patocka <mpatocka@redhat.com> > > dm-bufio: don't take the lock in dm_bufio_shrink_count > > dm_bufio_shrink_count is called from do_shrink_slab to find out how many > freeable objects are there. The reported value doesn't have to be precise, > so we don't need to take the dm-bufio lock. > > Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Acked-by: David Rientjes <rientjes@google.com>
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