]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
dma/pool: eliminate alloc_pages warning in atomic_pool_expand
authorDave Kleikamp <dave.kleikamp@oracle.com>
Tue, 2 Dec 2025 15:28:10 +0000 (09:28 -0600)
committerMarek Szyprowski <m.szyprowski@samsung.com>
Mon, 8 Dec 2025 08:40:57 +0000 (09:40 +0100)
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
kernel/dma/pool.c

index ee45dee33d4916b7d7bd837bc4409f7762f8cc1d..26392badc36b0f789398ec0b8d6b52e6391071c8 100644 (file)
@@ -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;