staging: ion: use compound pages on high order pages for system heap
authorHeesub Shin <heesub.shin@samsung.com>
Wed, 28 May 2014 06:52:55 +0000 (15:52 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 29 May 2014 20:40:33 +0000 (13:40 -0700)
commitbdeb9f1c4276864e97a725c8c0a8bc9a8686edfe
tree7dff4d4093976d892e40e9cd12a3ba8441e3c865
parent38c003b113ceab37f80d020999d3ec2cbf784da3
staging: ion: use compound pages on high order pages for system heap

Using compound pages relieves burden on tracking the meta information
which are currently stored in page_info.

Signed-off-by: Heesub Shin <heesub.shin@samsung.com>
Reviewed-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/android/ion/ion_page_pool.c
drivers/staging/android/ion/ion_system_heap.c