From nobody Sat Jul 25 20:48:49 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 74AC63B992C; Mon, 13 Jul 2026 23:07:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783984040; cv=none; b=qZ9DNER8FucK/7vgsj2sQ4YJK5JzLDRcyW3XwD5NStnURHc0TAujoCeKrmqmtKI9CsPDwHulfFUc74e/s6UzCAXPZC8lFJHn/opAzHZmIBcONeszfR7aBaVvGF09jfsDgnrU72rAwwVpadST7yAQ0JAn2bVaEjB4s0UkPtCjP4U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783984040; c=relaxed/simple; bh=yaDDNG5Tt/IkZKeq+X780nYc4WrvbTrJxYl9FAiqFpc=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=ZGudKPeqZRQA+oUJWqWHa+KqZ7LWhOJzJN2t7hl8GfdfAul/jHHaY0Nh7AUamp7H8PDH+0XPzA095uYYs8J3KirDMhBEAbRrXgGcNwq1yCMA9H9JPWp5XIm8ceIn9kG/mzz9FdT59DpuNI6MCZf41WS5klWvN6eLmP3D5UAjdPo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=D4anIl0+; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=oWZUxktO; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="D4anIl0+"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="oWZUxktO" Date: Mon, 13 Jul 2026 23:07:15 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1783984037; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YNCXPPlNHozTx7daTcy5MtC1xAyZgu03XP1GIEluKmc=; b=D4anIl0+fKctkWSO4Ty9FS4q6JZFsDB6fxAFQi1CCcDxlFXAnjMVaQ8xgu3lz4liV6ahnP fr+AJFAjbwmqF/uF09bsl2h35dwXrTOvdk15tuPWYplx+kKXG5LOCn3P9WBjFX6EiQQRqJ CSMInKR7HsJibf3f4UH/PoVYi3i7WiCgVQvO+8c63E8jRJuFniIApww+d8ImOf5tBeLfav sdxsk+CDZscKdXh52Mel3kCLtpiMzdPseV3/0MiTD4ofOV+PVSUxgOQJ3krIDvbtfTJvn9 h4AT3X49iZoftajjNKgcV5mZUnLHoN1yAYb5Td3Zl2sGnfVRdVPPiXFyl9LU/g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1783984037; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YNCXPPlNHozTx7daTcy5MtC1xAyZgu03XP1GIEluKmc=; b=oWZUxktOTXV3WPDhsyJlJgXXQfzqVjMT+ugJj1pYswQhhlfqzmnOXbJIpNQm8DJMrsE+pd 40tG3CHY0wiwDaBA== From: "tip-bot2 for Vishal Moola" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/mm] x86/mm: Convert sync_global_pgds_l4() to ptdescs Cc: Vishal Moola , Dave Hansen , William Kucharski , "Mike Rapoport (Microsoft)" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20260629185742.126987-7-vishal.moola@gmail.com> References: <20260629185742.126987-7-vishal.moola@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <178398403578.1844600.16265275055504294025.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the x86/mm branch of tip: Commit-ID: 9c453f8784dc033a35d06dff929be1eaedb3020c Gitweb: https://git.kernel.org/tip/9c453f8784dc033a35d06dff929be1eae= db3020c Author: Vishal Moola AuthorDate: Mon, 29 Jun 2026 11:57:39 -07:00 Committer: Dave Hansen CommitterDate: Mon, 13 Jul 2026 15:55:10 -07:00 x86/mm: Convert sync_global_pgds_l4() to ptdescs Convert sync_global_pgds_l4() to ptdescs in preparation for the eventual splitting of ptdescs from struct page. Signed-off-by: Vishal Moola Signed-off-by: Dave Hansen Reviewed-by: William Kucharski Acked-by: Mike Rapoport (Microsoft) Link: https://patch.msgid.link/20260629185742.126987-7-vishal.moola@gmail.c= om --- arch/x86/mm/init_64.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index a097ec1..1441f5f 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -174,7 +174,7 @@ static void sync_global_pgds_l4(unsigned long start, un= signed long end) for (addr =3D start; addr <=3D end; addr =3D ALIGN(addr + 1, PGDIR_SIZE))= { pgd_t *pgd_ref =3D pgd_offset_k(addr); const p4d_t *p4d_ref; - struct page *page; + struct ptdesc *ptdesc; =20 /* * With folded p4d, pgd_none() is always false, we need to @@ -187,15 +187,15 @@ static void sync_global_pgds_l4(unsigned long start, = unsigned long end) continue; =20 spin_lock(&pgd_lock); - list_for_each_entry(page, &pgd_list, lru) { + list_for_each_entry(ptdesc, &pgd_list, pt_list) { pgd_t *pgd; p4d_t *p4d; spinlock_t *pgt_lock; =20 - pgd =3D (pgd_t *)page_address(page) + pgd_index(addr); + pgd =3D (pgd_t *)ptdesc_address(ptdesc) + pgd_index(addr); p4d =3D p4d_offset(pgd, addr); /* the pgt_lock only for Xen */ - pgt_lock =3D &pgd_page_get_mm(page)->page_table_lock; + pgt_lock =3D &pgd_page_get_mm(ptdesc_page(ptdesc))->page_table_lock; spin_lock(pgt_lock); =20 if (!p4d_none(*p4d_ref) && !p4d_none(*p4d))