From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756109AbdD0Rjo (ORCPT ); Thu, 27 Apr 2017 13:39:44 -0400 Received: from mail-qt0-f193.google.com ([209.85.216.193]:33118 "EHLO mail-qt0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751748AbdD0RjZ (ORCPT ); Thu, 27 Apr 2017 13:39:25 -0400 From: Florian Fainelli To: linux-arm-kernel@lists.infradead.org Cc: Florian Fainelli , Russell King , Catalin Marinas , Will Deacon , Ard Biesheuvel , Andrew Morton , Michal Hocko , zijun_hu , "Kirill A. Shutemov" , Andrey Ryabinin , Chris Wilson , linux-kernel@vger.kernel.org (open list), linux-mm@kvack.org (open list:MEMORY MANAGEMENT), angus@angusclark.org Subject: [PATCH v2 2/3] ARM: Silence first allocation with CONFIG_ARM_MODULE_PLTS=y Date: Thu, 27 Apr 2017 10:38:59 -0700 Message-Id: <20170427173900.2538-3-f.fainelli@gmail.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170427173900.2538-1-f.fainelli@gmail.com> References: <20170427173900.2538-1-f.fainelli@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 by setting __GFP_NOWARN. Signed-off-by: Florian Fainelli --- 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