diff options
author | Chris Wilson <[email protected]> | 2017-04-05 23:15:14 +0100 |
---|---|---|
committer | Chris Wilson <[email protected]> | 2017-04-06 13:02:02 +0100 |
commit | b268d9fe0f10544f5f7a1b7015e2b97075e6215d (patch) | |
tree | 6d243e8295866393e31423cc8332822b83abae82 | |
parent | 97f55ca5b6625bb4ddeca7b1272b53ca04ab3cf0 (diff) |
drm/i915: Use the right mapping_gfp_mask for final shmem allocation
Many sightings report the greater prevalence of allocation failures.
This is all due to the incorrect use of mapping_gfp_constraint(), so
remove it in favour of just querying the mapping_gfp_mask() which are
the exact gfp_t we wanted in the first place.
We still do expect a higher chance of reporting ENOMEM, as that is the
intention of using __GFP_NORETRY -- to fail rather than oom after having
reclaimed from our bo caches, and having done a direct|kswapd reclaim
pass.
Reported-by: Jason Ekstrand <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100594
Fixes: 24f8e00a8a2e ("drm/i915: Prefer to report ENOMEM rather than incur the oom for gfx allocations")
Signed-off-by: Chris Wilson <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
Cc: Daniel Vetter <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Joonas Lahtinen <[email protected]>
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 28e77d28e276..391aa69097f1 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2340,7 +2340,7 @@ rebuild_st: * defer the oom here by reporting the ENOMEM back * to userspace. */ - reclaim = mapping_gfp_constraint(mapping, 0); + reclaim = mapping_gfp_mask(mapping); reclaim |= __GFP_NORETRY; /* reclaim, but no oom */ page = shmem_read_mapping_page_gfp(mapping, i, reclaim); |