Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754181AbbL0AjL (ORCPT ); Sat, 26 Dec 2015 19:39:11 -0500 Received: from g1t6225.austin.hp.com ([15.73.96.126]:42626 "EHLO g1t6225.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753574AbbL0AjK (ORCPT ); Sat, 26 Dec 2015 19:39:10 -0500 Subject: Re: [PATCH v2 14/16] x86,nvdimm,kexec: Use walk_iomem_res_desc() for iomem search To: Minfei Huang References: <1451081365-15190-1-git-send-email-toshi.kani@hpe.com> <1451081365-15190-14-git-send-email-toshi.kani@hpe.com> <20151226160522.GA28533@dhcp-128-25.nay.redhat.com> Cc: akpm@linux-foundation.org, bp@alien8.de, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Dan Williams , Dave Young , x86@kernel.org, linux-nvdimm@ml01.01.org, kexec@lists.infradead.org From: Toshi Kani Message-ID: <567F3329.2030808@hpe.com> Date: Sat, 26 Dec 2015 17:39:05 -0700 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <20151226160522.GA28533@dhcp-128-25.nay.redhat.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1217 Lines: 31 On 12/26/2015 9:05 AM, Minfei Huang wrote: > Ccing kexec maillist. > > On 12/25/15 at 03:09pm, Toshi Kani wrote: >> diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c >> index c245085..e2bd737 100644 >> --- a/kernel/kexec_file.c >> +++ b/kernel/kexec_file.c >> @@ -522,10 +522,10 @@ int kexec_add_buffer(struct kimage *image, char *buffer, unsigned long bufsz, >> >> /* Walk the RAM ranges and allocate a suitable range for the buffer */ >> if (image->type == KEXEC_TYPE_CRASH) >> - ret = walk_iomem_res("Crash kernel", >> - IORESOURCE_SYSTEM_RAM | IORESOURCE_BUSY, >> - crashk_res.start, crashk_res.end, kbuf, >> - locate_mem_hole_callback); >> + ret = walk_iomem_res_desc(IORES_DESC_CRASH_KERNEL, > > Since crashk_res's desc has been assigned to IORES_DESC_CRASH_KERNEL, it > is better to use crashk_res.desc, instead of using > IORES_DESC_CRASH_KERNEL directly. Sounds good. I will change it to use crashk_res.desc. Thanks, -Toshi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/