CMA: fix CONFIG_CMA_SIZE_MBYTES overflow in 64bit

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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>

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Tan Xiaojun 2015-09-24 11:27:47 +08:00 • committed by Greg Kroah-Hartman

parent b8b2c7d845

commit a785ce9c90

1 changed files with 1 additions and 1 deletions

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drivers/base/dma-contiguous.c

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