Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932355AbdHWPqy (ORCPT ); Wed, 23 Aug 2017 11:46:54 -0400 Received: from mail-pg0-f53.google.com ([74.125.83.53]:36913 "EHLO mail-pg0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932098AbdHWPqx (ORCPT ); Wed, 23 Aug 2017 11:46:53 -0400 From: Sherry Yang To: linux-kernel@vger.kernel.org Cc: tkjos@google.com, maco@google.com Subject: [PATCH v2 0/5] android: binder: move allocator metadata and add shrinker Date: Wed, 23 Aug 2017 08:46:38 -0700 Message-Id: <20170823154643.2613-1-sherryy@android.com> X-Mailer: git-send-email 2.14.1.342.g6490525c54-goog Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1077 Lines: 21 This patch set moves internal kernel data in the binder driver out of mmap regions that is readable by user space. A shrinker is added to the driver to dynamically manage the memory used by binder transactions and only free pages when the system is under memory pressure. This patch set also adds tests and refactoring in binder allocator. android: binder: Refactor prev and next buffer into a helper function android: binder: Add allocator selftest android: binder: Move buffer out of area shared with user space android: binder: Add global lru shrinker to binder android: binder: Add shrinker tracepoints drivers/android/Kconfig | 10 + drivers/android/Makefile | 1 + drivers/android/binder.c | 4 + drivers/android/binder_alloc.c | 365 ++++++++++++++++------ drivers/android/binder_alloc.h | 30 +- drivers/android/binder_alloc_selftest.c | 310 ++++++++++++++++++ drivers/android/binder_trace.h | 55 ++++ 7 files changed, 678 insertions(+), 97 deletions(-)