[029/152] bootmem: Add alloc_bootmem_align()

[Greg KH]

2.6.36-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>

commit 53dde5f385bc56e312f78b7cb25ffaf8efd4735d upstream.

Add an alloc_bootmem_align() interface to allocate bootmem with
specified alignment.  This is necessary to be able to allocate the
xsave area in a subsequent patch.

Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
LKML-Reference: <20101116212441.977574826@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Acked-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 include/linux/bootmem.h |    2 ++
 1 file changed, 2 insertions(+)

--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -105,6 +105,8 @@ extern void *__alloc_bootmem_low_node(pg
 
 #define alloc_bootmem(x) \
 	__alloc_bootmem(x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_align(x, align) \
+	__alloc_bootmem(x, align, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_nopanic(x) \
 	__alloc_bootmem_nopanic(x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_pages(x) \


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