tree ca3b9e2c8c4e37a4cea558c56a6312373117b06d
parent b8b2c7d845d57f7a4b9f1f941f24728165e27626
author Tan Xiaojun <tanxiaojun@huawei.com> 1443065267 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1444016994 +0100

CMA: fix CONFIG_CMA_SIZE_MBYTES overflow in 64bit

In 64bit system, if you set CONFIG_CMA_SIZE_MBYTES>=2048, it will
overflow and size_bytes will be a big wrong number.

Set CONFIG_CMA_SIZE_MBYTES=2048 and you will get an info below
during system boot:

*********
cma: Failed to reserve 17592186042368 MiB
*********

Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>