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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jan 2026 01:42:01.5722 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f726babb-48af-4ce7-282c-08de50b29dec X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000971E4.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR10MB7419 Content-Type: text/plain; charset="utf-8" Currently, dma_alloc_from_pool() unconditionally warns and dumps a stack trace when an allocation fails. This prevents callers from using the __GFP_NOWARN flag to suppress error messages, breaking the expectation that this flag will silence allocation failure logs. Align dma_pool behaviour with other core allocators by checking for __GFP_NOWARN before issuing the warning. Fixes: 9420139f516d ("dma-pool: fix coherent pool allocations for IOMMU map= pings") Signed-off-by: Sai Sree Kartheek Adivi --- kernel/dma/pool.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c index 26392badc36b..40dc2ab9915f 100644 --- a/kernel/dma/pool.c +++ b/kernel/dma/pool.c @@ -276,7 +276,8 @@ struct page *dma_alloc_from_pool(struct device *dev, si= ze_t size, return page; } =20 - WARN(1, "Failed to get suitable pool for %s\n", dev_name(dev)); + if (!(gfp & __GFP_NOWARN)) + WARN(1, "Failed to get suitable pool for %s\n", dev_name(dev)); return NULL; } =20 --=20 2.34.1