From mboxrd@z Thu Jan 1 00:00:00 1970 From: f.fainelli@gmail.com (Florian Fainelli) Date: Thu, 27 Apr 2017 11:19:00 -0700 Subject: [PATCH v3 1/3] mm: Silence vmap() allocation failures based on caller gfp_flags In-Reply-To: <20170427181902.28829-1-f.fainelli@gmail.com> References: <20170427181902.28829-1-f.fainelli@gmail.com> Message-ID: <20170427181902.28829-2-f.fainelli@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org If the caller has set __GFP_NOWARN don't print the following message: vmap allocation for size 15736832 failed: use vmalloc= to increase size. This can happen with the ARM/Linux or ARM64/Linux module loader built with CONFIG_ARM{,64}_MODULE_PLTS=y which does a first attempt at loading a large module from module space, then falls back to vmalloc space. Acked-by: Michal Hocko Signed-off-by: Florian Fainelli --- mm/vmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 0b057628a7ba..b74f1d01ef76 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -521,7 +521,7 @@ static struct vmap_area *alloc_vmap_area(unsigned long size, } } - if (printk_ratelimit()) + if (!(gfp_mask & __GFP_NOWARN) && printk_ratelimit()) pr_warn("vmap allocation for size %lu failed: use vmalloc= to increase size\n", size); kfree(va); -- 2.9.3