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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CEF0DC4332F for ; Wed, 27 Oct 2021 02:34:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B772B60F92 for ; Wed, 27 Oct 2021 02:34:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238078AbhJ0ChG (ORCPT ); Tue, 26 Oct 2021 22:37:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:58270 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238053AbhJ0ChG (ORCPT ); Tue, 26 Oct 2021 22:37:06 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6C4616103C; Wed, 27 Oct 2021 02:34:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1635302081; bh=9AVlxNAWFlpRbMsM/frpCcC/ySvM8cw47hKtfXxlrDg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ry7gMZQPWy4VpjIHCV3yxrHeuEafx+CPSpeiLpALTz7EVxq8vBq99bX64OgiHSwzw bICFdHh3cC860PBTryhl96bTwra9qv+i+tgDTvgA9tuQLnwuEEsHG2G7WwYKLJ/c3o UQSHrS978k4rhweXJ7AwO74T5pgTVIDHdUHwTZCVlxIxanpEdta67hSSl+Vpdpj6q9 ecQ1GUYs+6k4qCQg7SDGY/Wan+2He9IO6uFGBB6PcwjH+7SaYvZW17QjSU8XDfulqo LrupK5jejH282NlB4sZ0MNnXwrXocLywOmrHBBwOT43MDYzCvTeB3oJpwzJhY3FJ7R fGKjsk+qLYohA== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Tariq Toukan , Moshe Shemesh , Saeed Mahameed Subject: [net-next 01/14] lib: bitmap: Introduce node-aware alloc API Date: Tue, 26 Oct 2021 19:33:34 -0700 Message-Id: <20211027023347.699076-2-saeed@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211027023347.699076-1-saeed@kernel.org> References: <20211027023347.699076-1-saeed@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Tariq Toukan Expose new node-aware API for bitmap allocation: bitmap_alloc_node() / bitmap_zalloc_node(). Signed-off-by: Tariq Toukan Reviewed-by: Moshe Shemesh Signed-off-by: Saeed Mahameed --- include/linux/bitmap.h | 2 ++ lib/bitmap.c | 13 +++++++++++++ 2 files changed, 15 insertions(+) diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 37f36dad18bd..a241dcf50f39 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -123,6 +123,8 @@ struct device; */ unsigned long *bitmap_alloc(unsigned int nbits, gfp_t flags); unsigned long *bitmap_zalloc(unsigned int nbits, gfp_t flags); +unsigned long *bitmap_alloc_node(unsigned int nbits, gfp_t flags, int node); +unsigned long *bitmap_zalloc_node(unsigned int nbits, gfp_t flags, int node); void bitmap_free(const unsigned long *bitmap); /* Managed variants of the above. */ diff --git a/lib/bitmap.c b/lib/bitmap.c index 663dd81967d4..926408883456 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -1398,6 +1398,19 @@ unsigned long *bitmap_zalloc(unsigned int nbits, gfp_t flags) } EXPORT_SYMBOL(bitmap_zalloc); +unsigned long *bitmap_alloc_node(unsigned int nbits, gfp_t flags, int node) +{ + return kmalloc_array_node(BITS_TO_LONGS(nbits), sizeof(unsigned long), + flags, node); +} +EXPORT_SYMBOL(bitmap_alloc_node); + +unsigned long *bitmap_zalloc_node(unsigned int nbits, gfp_t flags, int node) +{ + return bitmap_alloc_node(nbits, flags | __GFP_ZERO, node); +} +EXPORT_SYMBOL(bitmap_zalloc_node); + void bitmap_free(const unsigned long *bitmap) { kfree(bitmap); -- 2.31.1