From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-f70.google.com (mail-lf1-f70.google.com [209.85.167.70]) by kanga.kvack.org (Postfix) with ESMTP id F27378E005B for ; Mon, 31 Dec 2018 08:26:57 -0500 (EST) Received: by mail-lf1-f70.google.com with SMTP id z10so2611206lfe.21 for ; Mon, 31 Dec 2018 05:26:57 -0800 (PST) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id e82sor12222799lfi.44.2018.12.31.05.26.55 for (Google Transport Security); Mon, 31 Dec 2018 05:26:55 -0800 (PST) From: "Uladzislau Rezki (Sony)" Subject: [RFC v2 1/3] vmalloc: export __vmalloc_node_range for CONFIG_TEST_VMALLOC_MODULE Date: Mon, 31 Dec 2018 14:26:38 +0100 Message-Id: <20181231132640.21898-2-urezki@gmail.com> In-Reply-To: <20181231132640.21898-1-urezki@gmail.com> References: <20181231132640.21898-1-urezki@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko , Kees Cook , Shuah Khan , Andrew Morton , linux-mm@kvack.org Cc: LKML , Matthew Wilcox , Oleksiy Avramchenko , Thomas Gleixner , "Uladzislau Rezki (Sony)" Export __vmaloc_node_range() function if CONFIG_TEST_VMALLOC_MODULE is enabled. Some test cases in vmalloc test suite module require and make use of that function. Please note, that it is not supposed to be used for other purposes. We need it only for performance analysis, stressing and stability check of vmalloc allocator. Signed-off-by: Uladzislau Rezki (Sony) --- mm/vmalloc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index cfea25be7754..50ccb8bdfad8 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -1764,6 +1764,15 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align, return NULL; } +/* + * This is only for performance analysis of vmalloc and stress purpose. + * It is required by vmalloc test module, therefore do not use it other + * than that. + */ +#ifdef CONFIG_TEST_VMALLOC_MODULE +EXPORT_SYMBOL(__vmalloc_node_range); +#endif + /** * __vmalloc_node - allocate virtually contiguous memory * @size: allocation size -- 2.11.0