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authorJan Glauber <jang@linux.vnet.ibm.com>2008-08-01 16:39:17 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-08-01 16:39:34 +0200
commit3b8e3004aea95c687e8991583e7b150ec1416ff3 (patch)
tree61a4ccda07eac7e71f1e3dbf98694dc3c020b48f
parent7e9238fbc10373effc2c3b0b516b0bdc8fefc27b (diff)
[S390] qdio: make sure qdr is aligned to page size
kzalloc does not guarantee the required alignment of qdr to page size, use get_zeroed_page instead. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
-rw-r--r--drivers/s390/cio/qdio_main.c2
-rw-r--r--drivers/s390/cio/qdio_setup.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index d10c73cc1688..d15648514a0f 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -1355,7 +1355,7 @@ int qdio_allocate(struct qdio_initialize *init_data)
goto out_rel;
/* qdr is used in ccw1.cda which is u32 */
- irq_ptr->qdr = kzalloc(sizeof(struct qdr), GFP_KERNEL | GFP_DMA);
+ irq_ptr->qdr = (struct qdr *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!irq_ptr->qdr)
goto out_rel;
WARN_ON((unsigned long)irq_ptr->qdr & 0xfff);
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c
index f0923a8aceda..56fdd57ba192 100644
--- a/drivers/s390/cio/qdio_setup.c
+++ b/drivers/s390/cio/qdio_setup.c
@@ -325,7 +325,7 @@ void qdio_release_memory(struct qdio_irq *irq_ptr)
kmem_cache_free(qdio_q_cache, q);
}
}
- kfree(irq_ptr->qdr);
+ free_page((unsigned long) irq_ptr->qdr);
free_page(irq_ptr->chsc_page);
free_page((unsigned long) irq_ptr);
}

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