From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1BCC4C432C0 for ; Fri, 22 Nov 2019 06:04:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DD15E2068E for ; Fri, 22 Nov 2019 06:04:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402689; bh=6N6utb28xFcbw1WnBmmazrCLf9h//ber+CLlhqfmkag=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=VRAmsxzWAAdC9m4BUvu9BO0leXZN90qyMcf+jF+COpjVu446KN4ucyTn57nZa4AeA ABHyYDdquC250Po6eiuPz0/coW/zzr45BLJP4OdnInphe11Lj46Zi3QgXr73rK8px0 bOcN9FVj7CMxzQY5f+4E5KRa5ynaQS8jEcXWZ044= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728547AbfKVGEr (ORCPT ); Fri, 22 Nov 2019 01:04:47 -0500 Received: from mail.kernel.org ([198.145.29.99]:41718 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729770AbfKVGCt (ORCPT ); Fri, 22 Nov 2019 01:02:49 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B92362068F; Fri, 22 Nov 2019 06:02:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402568; bh=6N6utb28xFcbw1WnBmmazrCLf9h//ber+CLlhqfmkag=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=erjhXJbrJtfJbyhwrKc/QaKNCpBcd5gbdgdrViSYOLTFXFSl7rbbOnMVYlAuC5dhS NKh/N/w+/weDd0BwY2HBmXCfcjAqYAiSvgOtYa92o+S4x8eggGx7zjBRMqofLi00PW 4jMimTa7zCQMUh+HWlPUz9m41fLW2YnrfsdHb6J4= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Huang Shijie , Andrew Morton , Alexey Skidanov , Linus Torvalds , Sasha Levin Subject: [PATCH AUTOSEL 4.9 71/91] lib/genalloc.c: use vzalloc_node() to allocate the bitmap Date: Fri, 22 Nov 2019 01:01:09 -0500 Message-Id: <20191122060129.4239-70-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191122060129.4239-1-sashal@kernel.org> References: <20191122060129.4239-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Huang Shijie [ Upstream commit 6862d2fc81859f88c1f3f660886427893f2b4f3f ] Some devices may have big memory on chip, such as over 1G. In some cases, the nbytes maybe bigger then 4M which is the bounday of the memory buddy system (4K default). So use vzalloc_node() to allocate the bitmap. Also use vfree to free it. Link: http://lkml.kernel.org/r/20181225015701.6289-1-sjhuang@iluvatar.ai Signed-off-by: Huang Shijie Reviewed-by: Andrew Morton Cc: Alexey Skidanov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Sasha Levin --- lib/genalloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/genalloc.c b/lib/genalloc.c index 5deb25c40a5a1..f365d71cdc774 100644 --- a/lib/genalloc.c +++ b/lib/genalloc.c @@ -187,7 +187,7 @@ int gen_pool_add_virt(struct gen_pool *pool, unsigned long virt, phys_addr_t phy int nbytes = sizeof(struct gen_pool_chunk) + BITS_TO_LONGS(nbits) * sizeof(long); - chunk = kzalloc_node(nbytes, GFP_KERNEL, nid); + chunk = vzalloc_node(nbytes, nid); if (unlikely(chunk == NULL)) return -ENOMEM; @@ -251,7 +251,7 @@ void gen_pool_destroy(struct gen_pool *pool) bit = find_next_bit(chunk->bits, end_bit, 0); BUG_ON(bit < end_bit); - kfree(chunk); + vfree(chunk); } kfree_const(pool->name); kfree(pool); -- 2.20.1