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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6EF8CC43334 for ; Tue, 7 Jun 2022 09:35:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239663AbiFGJfp (ORCPT ); Tue, 7 Jun 2022 05:35:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239639AbiFGJfG (ORCPT ); Tue, 7 Jun 2022 05:35:06 -0400 Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B0E7E64DC for ; Tue, 7 Jun 2022 02:35:04 -0700 (PDT) Received: by mail-lf1-x130.google.com with SMTP id u26so26655248lfd.8 for ; Tue, 07 Jun 2022 02:35:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1imnAi5xz7HqCapEhh8k4KqTLfM1rDshD69OorDTV3Q=; b=FUe9hoC2gjsIGPJVEps761z94HHtbSP1LOQ6MOwoWAKATBaoen37ggvBdmhCO/1Dum bbL9wrYkQmZn5AFVSvqe7rIa4w9PVKkiXXig9eo+xADy33IXOFhyk8i7zMef75DgfAtF jWLLcPerKOjLVHT/t3gqLFTldCmrOvYRPaBzZMiNcUGk5R+FRdJy1YwX/KhRUom+U2/A DsIG8C52yvsQbR5nK0UpenU11Tf/PharFyrCbvu2QYv3HpGWk6uE6m5Ofoq1vk+hAz1a TsH4UPB9OMAyuBrQXofmV+miPQHfnsjtpErZBJ/kZrFD7q3l26g8RK0tKkPYDTKpM0px U2XQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=1imnAi5xz7HqCapEhh8k4KqTLfM1rDshD69OorDTV3Q=; b=tBfkwYozdhQNbrP7hjiCVg9JiBXQQYG63ukq8GR2WVrbj20/XQhwlN5LkrRwgQdUjT XwmqejEorz/7Pp/0Nx7XZpnHbpQTtJjx2p1iI3pUA0qXO1jcz5XT8Z+pMy/LRsYEaxxg wGlSLSYEZfCLRuDG1iyT6TIlhOaeCr4zcMcSXCRf/V7CwcTPc5q874zvBKMO60BYIfDP mYRQK4wvVYlqsYeVofFpu8f8lJvzWlSWXYqxEtTNixnzBZktv2w2k34RNfYn2OIioixH IBb8N4oVvjmT7FY8zCEhgczUyVQR1D1MjhAVPKkIm6zC3eLqpSieEGUm1WcVvhH4X13s scvw== X-Gm-Message-State: AOAM531w5E0zeExC/IB9zXKAbTl4k6RIwLK1a5SdM98MHmfnaBpCF1OZ qtXKeB3ufoOC1mHaWGv/EFc= X-Google-Smtp-Source: ABdhPJwUtUjYWUsi2A0Gz+SKLSqewTZ8rOUEGsOboyqIoXV8szQIuSCZZkSiPZcSm6rDEt2nEkryUQ== X-Received: by 2002:a05:6512:2351:b0:479:6c3b:5d4 with SMTP id p17-20020a056512235100b004796c3b05d4mr526524lfu.87.1654594503595; Tue, 07 Jun 2022 02:35:03 -0700 (PDT) Received: from pc638.lan ([155.137.26.201]) by smtp.gmail.com with ESMTPSA id r27-20020a2e575b000000b002554a4ebf5fsm2748043ljd.74.2022.06.07.02.35.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jun 2022 02:35:03 -0700 (PDT) From: "Uladzislau Rezki (Sony)" To: Andrew Morton Cc: linux-mm@kvack.org, LKML , Christoph Hellwig , Matthew Wilcox , Nicholas Piggin , Uladzislau Rezki , Oleksiy Avramchenko Subject: [PATCH 4/5] mm/vmalloc: Extend __find_vmap_area() with one more argument Date: Tue, 7 Jun 2022 11:34:48 +0200 Message-Id: <20220607093449.3100-5-urezki@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220607093449.3100-1-urezki@gmail.com> References: <20220607093449.3100-1-urezki@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org __find_vmap_area() finds a "vmap_area" based on passed address. It scan the specific "vmap_area_root" rb-tree. Extend the function with one extra argument, so any tree can be specified where the search has to be done. There is no functional change as a result of this patch. Signed-off-by: Uladzislau Rezki (Sony) --- mm/vmalloc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 82771e555273..b60385101897 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -814,9 +814,9 @@ static struct vmap_area *find_vmap_area_exceed_addr(unsigned long addr) return va; } -static struct vmap_area *__find_vmap_area(unsigned long addr) +static struct vmap_area *__find_vmap_area(unsigned long addr, struct rb_root *root) { - struct rb_node *n = vmap_area_root.rb_node; + struct rb_node *n = root->rb_node; addr = (unsigned long)kasan_reset_tag((void *)addr); @@ -1840,7 +1840,7 @@ static struct vmap_area *find_vmap_area(unsigned long addr) struct vmap_area *va; spin_lock(&vmap_area_lock); - va = __find_vmap_area(addr); + va = __find_vmap_area(addr, &vmap_area_root); spin_unlock(&vmap_area_lock); return va; @@ -2582,7 +2582,7 @@ struct vm_struct *remove_vm_area(const void *addr) might_sleep(); spin_lock(&vmap_area_lock); - va = __find_vmap_area((unsigned long)addr); + va = __find_vmap_area((unsigned long)addr, &vmap_area_root); if (va && va->vm) { struct vm_struct *vm = va->vm; -- 2.30.2