ehea: Fix mem allocations which require page alignment

PAGE_SIZE allocations via slab are not guaranteed to be page-aligned. Fixed
all memory allocations where page alignment is required by firmware.

Signed-off-by: Thomas Klein <tklein@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c
index 49d766e..3747457f5 100644
--- a/drivers/net/ehea/ehea_qmr.c
+++ b/drivers/net/ehea/ehea_qmr.c
@@ -1005,7 +1005,7 @@
 	unsigned long ret;
 	u64 *rblock;
 
-	rblock = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	rblock = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!rblock) {
 		ehea_error("Cannot allocate rblock memory.");
 		return;
@@ -1022,5 +1022,5 @@
 	else
 		ehea_error("Error data could not be fetched: %llX", res_handle);
 
-	kfree(rblock);
+	free_page((unsigned long)rblock);
 }