From nobody Sun Jun 14 19:01:34 2026 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B05B43385B9 for ; Sun, 5 Apr 2026 11:44:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775389481; cv=none; b=M6AHIg4lz4Fg4WzB2neQ94FaLDGtWr3jo/PhoZeSZsAkFGflJcNx4j5LT5pWvqlAA23pMTfdQt1TVd/dFCEXKLN7RL/2oCnAStv01NT3qEdI/gJyyxngRN1ZhUOF2yb8+PxsBA5NNAy7DO/KB0q7CUbeDDaEym5wW64weq7vIP4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775389481; c=relaxed/simple; bh=Er11xSPxpscWmibQK/+QIhczSPck+uosgSladJTtW7w=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=sHaekwwtyKM2mB6u9jSEu1sBsBRnzIN8WPrKHhXD/1SYzrN7SZlX2a8RnWJvOPZQsr3Ikc+nswtctrXrGzrakspvHQcm7M38iEBdspADMgHn57RQV0mfqg71DWRK0e/NZ4OAAMaRvamHGjR8pwxvVGDeVPonp8BFff11JRDX4Vg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=VmKpu7AG; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="VmKpu7AG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=ca NJZmidNUi2KrtVmAG5nh9Qqu0tMEHHjSt0ZowEnBg=; b=VmKpu7AGNw5RAvMXyw sf7vHBT0YOS1PrEYjJwpZWp4HE1MsWnGHVvim1jEZq6ccUKBb3GUqKVKQZ4tzeCX EXdxVIG1qtnaxHWCSzBEj4qNk67hvyaXSMn07MCs51zTDc1Fmw7ltGpxVH9UTsd6 s8mUYH+OstGpv9JobSKumze4w= Received: from wang-MACHR-WX9.. (unknown []) by gzga-smtp-mtada-g0-0 (Coremail) with SMTP id _____wD3v1zkStJpbsmwDA--.50470S2; Sun, 05 Apr 2026 19:43:33 +0800 (CST) From: Wang Wensheng To: catalin.marinas@arm.com, will@kernel.org, mrigendra.chaubey@gmail.com, pasha.tatashin@soleen.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: wsw9603@163.com Subject: [PATCH] arm64: kexec: Remove duplicate allocation for trans_pgd Date: Sun, 5 Apr 2026 19:42:31 +0800 Message-ID: <20260405114231.264761-1-wsw9603@163.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wD3v1zkStJpbsmwDA--.50470S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrKFWDtr18XrW5KryfCrW7Jwb_yoWfXFXEkr s7Aw47Jr1rtr97Z3yfK3yrtryI93W5u34jgrn7Za98Aa4Yqr1kJ34UJF909rn3Zr93GFsx JrZxZryjyFW8tjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRXZ23JUUUUU== X-CM-SenderInfo: pzvzmliqt6il2tof0z/xtbC+QXa4mnSSuWP2AAA3H Content-Type: text/plain; charset="utf-8" trans_pgd would be allocated in trans_pgd_create_copy(), so remove the duplicate allocation before calling trans_pgd_create_copy(). Fixes: 3744b5280e67 ("arm64: kexec: install a copy of the linear-map") Signed-off-by: Wang Wensheng Reviewed-by: Pasha Tatashin --- arch/arm64/kernel/machine_kexec.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_= kexec.c index 239c16e3d02f..c5693a32e49b 100644 --- a/arch/arm64/kernel/machine_kexec.c +++ b/arch/arm64/kernel/machine_kexec.c @@ -129,9 +129,6 @@ int machine_kexec_post_load(struct kimage *kimage) } =20 /* Create a copy of the linear map */ - trans_pgd =3D kexec_page_alloc(kimage); - if (!trans_pgd) - return -ENOMEM; rc =3D trans_pgd_create_copy(&info, &trans_pgd, PAGE_OFFSET, PAGE_END); if (rc) return rc; --=20 2.43.0