diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2014-06-05 01:06:53 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-05 01:53:57 +0200 |
| commit | 2bfc2862c4fe38379a2fb2cfba33fad32ccb4ff4 (patch) | |
| tree | 1413260b509c37c05857525e7327fa5985ca8375 /include | |
| parent | intel-iommu: integrate DMA CMA (diff) | |
| download | linux-2bfc2862c4fe38379a2fb2cfba33fad32ccb4ff4.tar.xz linux-2bfc2862c4fe38379a2fb2cfba33fad32ccb4ff4.zip | |
memblock: introduce memblock_alloc_range()
This introduces memblock_alloc_range() which allocates memblock from the
specified range of physical address. I would like to use this function
to specify the location of CMA.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Don Dutile <ddutile@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/memblock.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 73dc382e72d8..b660e05b63d4 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -272,6 +272,8 @@ static inline bool memblock_bottom_up(void) { return false; } #define MEMBLOCK_ALLOC_ANYWHERE (~(phys_addr_t)0) #define MEMBLOCK_ALLOC_ACCESSIBLE 0 +phys_addr_t __init memblock_alloc_range(phys_addr_t size, phys_addr_t align, + phys_addr_t start, phys_addr_t end); phys_addr_t memblock_alloc_base(phys_addr_t size, phys_addr_t align, phys_addr_t max_addr); phys_addr_t __memblock_alloc_base(phys_addr_t size, phys_addr_t align, |