From: Tvrtko Ursulin <[email protected]> The new workaround list allocator grows the list in chunks so will end up with some unused space. Trim it when the initialization phase is done to free up a tiny bit of slab.
v2: * Simplify with kmemdup. (Chris Wilson) Signed-off-by: Tvrtko Ursulin <[email protected]> --- drivers/gpu/drm/i915/intel_workarounds.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index 3e6b388ea022..9d876d554e57 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -55,6 +55,19 @@ static void wa_init_start(struct i915_wa_list *wal, const char *name) static void wa_init_finish(struct i915_wa_list *wal) { + /* Trim unused entries. */ + if (wal->count < wal->__size) { + struct i915_wa *list = kmemdup(wal->list, + wal->count * sizeof(*list), + GFP_KERNEL); + + if (list) { + kfree(wal->list); + wal->list = list; + wal->__size = wal->count; + } + } + if (wal->count) DRM_DEBUG_DRIVER("Initialized %u %s workarounds\n", wal->wa_count, wal->name); -- 2.19.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
