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drm/i915: Remove self-harming shrink_all on get_pages_gtt fail

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When we notice the system under memory pressure, we try to evict some
driver pages before asking the VM to shrink all caches. As a final step
in that process, we tried to evict everything, including active buffers.
This is harming ourselves, and we can mix shrinking all caches as well
as our residual buffers (after the first pass of trying to shrink just
our own buffers).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161011082021.14606-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-10-11 09:20:20 +01:00
parent 738bb80e3e
commit 465350d0db
1 changed files with 0 additions and 1 deletions
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drivers/gpu/drm/i915/i915_gem.c
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@ -2264,7 +2264,6 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
* our own buffer, now let the real VM do its job and
* go down in flames if truly OOM.
*/
i915_gem_shrink_all(dev_priv);
page = shmem_read_mapping_page(mapping, i);
if (IS_ERR(page)) {
ret = PTR_ERR(page);