From: Dave Kleikamp <dave.kleikamp@oracle.com>
Date: Tue, 2 Dec 2025 15:28:10 +0000 (-0600)
Subject: dma/pool: eliminate alloc_pages warning in atomic_pool_expand
X-Git-Tag: v6.19-rc1~33^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=463d439becb81383f3a5a5d840800131f265a09c;p=thirdparty%2Flinux.git

dma/pool: eliminate alloc_pages warning in atomic_pool_expand

atomic_pool_expand iteratively tries the allocation while decrementing
the page order. There is no need to issue a warning if an attempted
allocation fails.

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Fixes: d7e673ec2c8e ("dma-pool: Only allocate from CMA when in same memory zone")
[mszyprow: fixed typo]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20251202152810.142370-1-dave.kleikamp@oracle.com
---

diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c
index ee45dee33d491..26392badc36b0 100644
--- a/kernel/dma/pool.c
+++ b/kernel/dma/pool.c
@@ -93,7 +93,7 @@ static int atomic_pool_expand(struct gen_pool *pool, size_t pool_size,
 			page = dma_alloc_from_contiguous(NULL, 1 << order,
 							 order, false);
 		if (!page)
-			page = alloc_pages(gfp, order);
+			page = alloc_pages(gfp | __GFP_NOWARN, order);
 	} while (!page && order-- > 0);
 	if (!page)
 		goto out;