[tip:x86/urgent] bootmem: Add alloc_bootmem_align()

[tip-bot for Suresh Siddha]

Commit-ID:  53dde5f385bc56e312f78b7cb25ffaf8efd4735d
Gitweb:     http://git.kernel.org/tip/53dde5f385bc56e312f78b7cb25ffaf8efd4735d
Author:     Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
AuthorDate: Tue, 16 Nov 2010 13:23:50 -0800
Committer:  H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Mon, 13 Dec 2010 16:11:13 -0800

bootmem: Add alloc_bootmem_align()

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>
Cc: <stable@xxxxxxxxxx>
---
 include/linux/bootmem.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 266ab92..499dfe9 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -105,6 +105,8 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
 
 #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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