From mboxrd@z Thu Jan 1 00:00:00 1970 From: f.fainelli@gmail.com (Florian Fainelli) Date: Thu, 27 Apr 2017 10:38:58 -0700 Subject: [PATCH v2 1/3] mm: Silence vmap() allocation failures based on caller gfp_flags In-Reply-To: <20170427173900.2538-1-f.fainelli@gmail.com> References: <20170427173900.2538-1-f.fainelli@gmail.com> Message-ID: <20170427173900.2538-2-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. Signed-off-by: Florian Fainelli --- mm/vmalloc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 0b057628a7ba..d8a851634674 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -521,9 +521,13 @@ static struct vmap_area *alloc_vmap_area(unsigned long size, } } + if (gfp_mask & __GFP_NOWARN) + goto out; + if (printk_ratelimit()) pr_warn("vmap allocation for size %lu failed: use vmalloc= to increase size\n", size); +out: kfree(va); return ERR_PTR(-EBUSY); } -- 2.9.3