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mm: Silence vmap() allocation failures based on caller gfp_flags

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If the caller has set __GFP_NOWARN don't print the following message:
vmap allocation for size 15736832 failed: use vmalloc=<size> 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 <mhocko@suse.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Florian Fainelli 2017-04-27 11:19:00 -07:00 committed by Catalin Marinas
parent d135b8b506
commit 03497d761c
1 changed files with 1 additions and 1 deletions
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2
mm/vmalloc.c
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@ -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=<size> to increase size\n",
size);
kfree(va);