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Commit c5bd1fc9 authored by Chris Wilson's avatar Chris Wilson Committed by Rodrigo Vivi
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drm/i915: Only attempt to scan the requested number of shrinker slabs



Since commit 4e773c3a ("drm/i915: Wire up shrinkctl->nr_scanned"),
we track the number of objects we scan and do not wish to exceed that as
it will overly penalise our own slabs under mempressure. Given that we
now know the target number of objects to scan, use that as our guide for
deciding to shrink as opposed to the number of objects we manage to
shrink (which doesn't correspond to the numbers we report to shrinkctl).

Fixes: 4e773c3a ("drm/i915: Wire up shrinkctl->nr_scanned")
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180115212455.24046-2-chris@chris-wilson.co.uk


Reviewed-by: default avatarTvrtko Ursulin <tvrtko.ursulin@intel.com>
(cherry picked from commit 29d384e3)
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent d13a8479
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