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s390/numa: allocate memory with correct alignment 

Allocating memory with a requested minimum alignment of 1 is wrong
since pg_data_t contains a spinlock which requires an alignment of 4
bytes.

Therefore fix this and ask for an alignment of 8 bytes like it is
guarenteed for all kmalloc requests.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2016-01-15 14:50:25 +01:00 committed by Martin Schwidefsky
parent 204ee2c564
commit ef1f7fd7eb
1 changed files with 1 additions and 1 deletions
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arch/s390/numa/numa.c
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@ -57,7 +57,7 @@ static __init pg_data_t *alloc_node_data(void)
{
pg_data_t *res;
res = (pg_data_t *) memblock_alloc(sizeof(pg_data_t), 1);
res = (pg_data_t *) memblock_alloc(sizeof(pg_data_t), 8);
if (!res)
panic("Could not allocate memory for node data!\n");
memset(res, 0, sizeof(pg_data_t));