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3b4fa9640c
Currently the purgeable objects, I915_MADV_DONTNEED, are mixed in the normal bound/unbound lists. Every shrinker pass starts with an attempt to purge from this set of unneeded objects, which entails us doing a walk over both lists looking for any candidates. If there are none, and since we are shrinking we can reasonably assume that the lists are full!, this becomes a very slow futile walk. If we separate out the purgeable objects into own list, this search then becomes its own phase that is preferentially handled during shrinking. Instead the cost becomes that we then need to filter the purgeable list if we want to distinguish between bound and unbound objects. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190530203500.26272-1-chris@chris-wilson.co.uk |
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| .. | ||
| selftests | ||
| i915_gem_busy.c | ||
| i915_gem_clflush.c | ||
| i915_gem_clflush.h | ||
| i915_gem_client_blt.c | ||
| i915_gem_client_blt.h | ||
| i915_gem_context_types.h | ||
| i915_gem_context.c | ||
| i915_gem_context.h | ||
| i915_gem_dmabuf.c | ||
| i915_gem_domain.c | ||
| i915_gem_execbuffer.c | ||
| i915_gem_fence.c | ||
| i915_gem_internal.c | ||
| i915_gem_ioctls.h | ||
| i915_gem_mman.c | ||
| i915_gem_object_blt.c | ||
| i915_gem_object_blt.h | ||
| i915_gem_object_types.h | ||
| i915_gem_object.c | ||
| i915_gem_object.h | ||
| i915_gem_pages.c | ||
| i915_gem_phys.c | ||
| i915_gem_pm.c | ||
| i915_gem_pm.h | ||
| i915_gem_shmem.c | ||
| i915_gem_shrinker.c | ||
| i915_gem_stolen.c | ||
| i915_gem_throttle.c | ||
| i915_gem_tiling.c | ||
| i915_gem_userptr.c | ||
| i915_gem_wait.c | ||
| i915_gemfs.c | ||
| i915_gemfs.h | ||
| Makefile | ||
| Makefile.header-test | ||