(from https://patchwork.kernel.org/patch/9928613/)
Add tracepoints in binder transaction allocator to
record lru hits and alloc/free page.
Bug: 63926541
Change-Id: I2e24fe8e7b6534349df4a87ff865a6843ac9a30b
Signed-off-by: Sherry Yang <sherryy@android.com>
(from https://patchwork.kernel.org/patch/9817781/)
Once locks are added, binder_ref's will only be accessed
safely with the proc lock held. Refactor the inc/dec paths
to make them atomic with the binder_get_ref* paths and
node inc/dec. For example, instead of:
ref = binder_get_ref(proc, handle, strong);
...
binder_dec_ref(ref, strong);
we now have:
ret = binder_dec_ref_for_handle(proc, handle, strong, &rdata);
Since the actual ref is no longer exposed to callers, a
new struct binder_ref_data is introduced which can be used
to return a copy of ref state.
Change-Id: I7de22107f8ebc967cee63251d584fceb4ea56250
Signed-off-by: Todd Kjos <tkjos@google.com>
(from https://patchwork.kernel.org/patch/9817753/)
Continuation of splitting the binder allocator from the binder
driver. Separate binder_alloc functions from normal binder
functions. Protect the allocator with a separate mutex.
Bug: 33250092 32225111
Change-Id: I634637415aa03c74145159d84f1749bbe785a8f3
Signed-off-by: Todd Kjos <tkjos@google.com>
(from https://patchwork.kernel.org/patch/9817745/)
The binder allocator is logically separate from the rest
of the binder drivers. Separating the data structures
to prepare for splitting into separate file with separate
locking.
Change-Id: I5ca4df567ac4b8c8d6ee2116ae67c0c1d75c9747
Signed-off-by: Todd Kjos <tkjos@google.com>
The Android binder code has been "stable" for many years now. No matter
what comes in the future, we are going to have to support this API, so
might as well move it to the "real" part of the kernel as there's no
real work that needs to be done to the existing code.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
