Be pessimistic and presume that we actually allocate every page we exercise via the mock_gtt (e.g. for gvt). In which case we have to keep our working case under the available physical memory to prevent oom.
Signed-off-by: Chris Wilson <[email protected]> Cc: Matthew Auld <[email protected]> --- drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index 600a3bcbd3d6..8e2e269db97e 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -1244,6 +1244,7 @@ static int exercise_mock(struct drm_i915_private *i915, u64 hole_start, u64 hole_end, unsigned long end_time)) { + const u64 limit = totalram_pages << PAGE_SHIFT; struct i915_gem_context *ctx; struct i915_hw_ppgtt *ppgtt; IGT_TIMEOUT(end_time); @@ -1256,7 +1257,7 @@ static int exercise_mock(struct drm_i915_private *i915, ppgtt = ctx->ppgtt; GEM_BUG_ON(!ppgtt); - err = func(i915, &ppgtt->vm, 0, ppgtt->vm.total, end_time); + err = func(i915, &ppgtt->vm, 0, min(ppgtt->vm.total, limit), end_time); mock_context_close(ctx); return err; -- 2.18.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
