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ARM: init: add support for reserved memory defined by device tree

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Enable reserved memory initialization from device tree.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
This commit is contained in:
Marek Szyprowski 2013-08-09 13:01:08 +02:00
parent 9d8eab7af7
commit 10bcdfb8ba
1 changed files with 3 additions and 0 deletions
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3
arch/arm/mm/init.c
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@ -17,6 +17,7 @@
#include <linux/nodemask.h>
#include <linux/initrd.h>
#include <linux/of_fdt.h>
#include <linux/of_reserved_mem.h>
#include <linux/highmem.h>
#include <linux/gfp.h>
#include <linux/memblock.h>
@ -377,6 +378,8 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
if (mdesc->reserve)
mdesc->reserve();
early_init_dt_scan_reserved_mem();
/*
* reserve memory for DMA contigouos allocations,
* must come from DMA area inside low memory