From: Paul Mackerras <paulus@samba.org>
Date: Sat, 10 Jun 2006 08:17:35 +0000 (+1000)
Subject: powerpc: Fix bug in iommu_alloc_coherent causing hang during boot
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=050613545b389825c1f5beb67fa2667b727f866d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

powerpc: Fix bug in iommu_alloc_coherent causing hang during boot

In commit 8eb6c6e3b9c8bfed3d75536ab142d7694627c2e5, Christoph Hellwig
made iommu_alloc_coherent able to do node-local allocations, but
unfortunately got the order of the arguments to alloc_pages_node
wrong.  This fixes it.

Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index cbb794556d02..cef8cba8329b 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -561,7 +561,7 @@ void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size,
 		return NULL;
 
 	/* Alloc enough pages (and possibly more) */
-	page = alloc_pages_node(flag, order, node);
+	page = alloc_pages_node(node, flag, order);
 	if (!page)
 		return NULL;
 	ret = page_address(page);