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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A3B50C43458 for ; Tue, 30 Jun 2026 11:06:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Date:References:In-Reply-To:Subject:Cc:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KziUE99JyCXJvfI9gWixTL5K4MSlxqncGllEjWQ7FFU=; b=i1Hl98agB7TnGzIHTygLv0IA0Z yKvX/HZgXY7H+0p10pvKYCurCXmZgKYBaDaPDQ5si9ekhEXsVDTpsMkhvTEBT838+fHKa6RweZohX hZb/juD5ZIjYxhm/qrhcceAmgqYVfurde10EUlzA56/5NuPnXKMjNlsxHPV6ryWI8us/pxH8UT5WM NCLkrSgGpwKGJI2b5CE59uXuN32C8VJNoR4ryFlr+c6lt3j2IzVrBLSjoRP52/L2ABmCIYXv6Zi/G vW51Gk+EP/UsqUAL4s+IyFhugMnTCdlSavVAZjzO1boitiZu/Q34PIpYLYht4+kLw9dHFWLyaXTTF Q8PylrHQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1weWIO-0000000GmvG-3RrH; Tue, 30 Jun 2026 11:06:28 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1weWIO-0000000Gmuk-0K1W; Tue, 30 Jun 2026 11:06:28 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 265CF600C3; Tue, 30 Jun 2026 11:06:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 970C51F000E9; Tue, 30 Jun 2026 11:06:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782817586; bh=KziUE99JyCXJvfI9gWixTL5K4MSlxqncGllEjWQ7FFU=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=gbSReGHGi6BBBm1jGbagqwMr3EDZYuq6/aVP0SmPh5q3XsQf2OyoXmHLpD7jKFuXN rz/DuYqpdl8L3DXfBDTvQ7kL0hoqzMjWXWkW8p3niXHmRq2KJO1lhQLr2BGi+0/xW1 1QN7bIbJ1gjbY8koWTFN6rYpDeBENnDuuo3Di/Qb6ZxIaSfy0sRjdwCT0pQ7sNxCeM zOq3PScln3ortRJ02gpXTvE3pm2Lk4DnNeyCU0ee7DMVL+uHvo0MsRKXj5dTHKpBrf Xhnkz9uFlwHhr0XSswtrvXEZTcdZ9vbGyco4qHRo1JKwGuORedI6VrlOrYZTkpFs86 RPXDfpVVtd2LA== From: Pratyush Yadav To: Wandun Chen Cc: chenhuacai@kernel.org, kernel@xen0n.name, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, robh@kernel.org, saravanak@kernel.org, bhe@redhat.com, rppt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, kexec@lists.infradead.org, iommu@lists.linux.dev, zhaomeijing@lixiang.com, catalin.marinas@arm.com, will@kernel.org, alex@ghiti.fr, akpm@linux-foundation.org, pasha.tatashin@soleen.com, pratyush@kernel.org, ruirui.yang@linux.dev, m.szyprowski@samsung.com, robin.murphy@arm.com Subject: Re: [PATCH v4 07/10] of: reserved_mem: add kdump helpers to exclude non-dumpable regions In-Reply-To: <20260630074715.4126796-8-chenwandun1@gmail.com> (Wandun Chen's message of "Tue, 30 Jun 2026 15:47:11 +0800") References: <20260630074715.4126796-1-chenwandun1@gmail.com> <20260630074715.4126796-8-chenwandun1@gmail.com> Date: Tue, 30 Jun 2026 13:06:21 +0200 Message-ID: <2vxzmrwci8ya.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Tue, Jun 30 2026, Wandun Chen wrote: > From: Wandun Chen > > Add two helpers to exclude non-dumpable regions for arch-specific > code. > > - of_reserved_mem_kdump_nr_ranges() returns the count of regions > that are not dumpable. Each excluded region may split an existing > crash_mem range into two, so callers use this to calculate > crash_mem allocation size. > > - of_reserved_mem_kdump_exclude() walks reserved_mem[] and calls > crash_exclude_mem_range() for every non-dumpable region. > > Signed-off-by: Wandun Chen > Tested-by: Meijing Zhao Acked-by: Pratyush Yadav [...] -- Regards, Pratyush Yadav