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Date: Tue, 25 Apr 2017 15:33:28 -0700 From: Florian Fainelli <f.fainelli@...il.com> To: linux-arm-kernel@...ts.infradead.org Cc: Florian Fainelli <f.fainelli@...il.com>, Russell King <linux@...linux.org.uk>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, Ard Biesheuvel <ard.biesheuvel@...aro.org>, Andrew Morton <akpm@...ux-foundation.org>, Michal Hocko <mhocko@...e.com>, zijun_hu <zijun_hu@....com>, "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>, Andrey Ryabinin <aryabinin@...tuozzo.com>, Chris Wilson <chris@...is-wilson.co.uk>, linux-kernel@...r.kernel.org (open list), linux-mm@...ck.org (open list:MEMORY MANAGEMENT), angus@...usclark.org Subject: [PATCH 1/2] ARM: Silence non PLT allocation with CONFIG_ARM_MODULE_PLTS=y When CONFIG_ARM_MODULE_PLTS is enabled, the first allocation using the module space fails, because the module is too big, and then the module allocation is attempted from vmalloc space. Silence the first allocation failure in that case, since that scares people out. Signed-off-by: Florian Fainelli <f.fainelli@...il.com> --- arch/arm/kernel/module.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 80254b47dc34..503d1a39464a 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -40,8 +40,15 @@ #ifdef CONFIG_MMU void *module_alloc(unsigned long size) { - void *p = __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, - GFP_KERNEL, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, + gfp_t gfp_mask = GFP_KERNEL; + void *p; + +#if IS_ENABLED(CONFIG_ARM_MODULE_PLTS) + /* Silence the initial allocation */ + gfp_mask |= __GFP_NOWARN; +#endif + p = __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, + gfp_mask, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, __builtin_return_address(0)); if (!IS_ENABLED(CONFIG_ARM_MODULE_PLTS) || p) return p; -- 2.9.3
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