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dma/pool: eliminate alloc_pages warning in atomic_pool_expand

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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: d7e673ec2c ("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
This commit is contained in:
Dave Kleikamp 2025-12-02 09:28:10 -06:00 • committed by Marek Szyprowski
parent d0d08f4bd7
commit 463d439bec
1 changed files with 1 additions and 1 deletions
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2
kernel/dma/pool.c
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@ -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;