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authorPeter Maydell <peter.maydell@linaro.org>2012-07-12 23:57:35 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-07-29 22:19:14 +0100
commita5d5f7daa744b34477c4a12728bde0a1694a1707 (patch)
tree386299b6bedc567d937d2d8a35a3ae618ec22a60 /arch/arm/kernel/process.c
parentff081e05bfba3461119cd280201d163b6858eda2 (diff)
ARM: 7465/1: Handle >4GB memory sizes in device tree and mem=size@start option
The memory regions which are passed to arm_add_memory() from device tree blobs via early_init_dt_add_memory_arch() can have sizes which are larger than will fit in a 32 bit integer, so switch to using a phys_addr_t to hold them, to avoid silently dropping the top 32 bits of the size. Similarly, use phys_addr_t in early_mem() so that mem=size@start command line options specifying more than 4GB behave sensibly. Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/process.c')
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