From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 AA6D033993 for ; Mon, 16 Feb 2026 17:33:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771263199; cv=none; b=MK59VETMqs/qq/IP3fjnFhsMz892gQuaPLRufu/PWRlryEA1gDGb6ORFOrhHZWM8iwYAILspwR5FW9Xm6lvHBS/b+BbCOzyWADT0W4hwY4el2HNw7Sa0teoZieA5qtKeuID5n6dCKqgLZupoLJoddZhhbl2NiyjpsraJHZFEcPk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771263199; c=relaxed/simple; bh=W2R+ulVW4Ddxn3DA4p20lOhEWkpo9PpZPDzZZi14Ebs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qU2mOE+VyTYRoYsv1T/0ARCAtgF2ckAOCGtzmn9CcBpniY4HFVDWamX54LMVM0kYIMZ9reVnMutQhdFOrjq7wA8bTOgvY5syks6B7Uejjsfi7iIPt1KgpdGlBkBeaf+3SUOINXqaqLi6I4jTttWRKdx3bGCLO/eaP9AJdl/8zc4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BBrM+5yN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BBrM+5yN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 55928C19422; Mon, 16 Feb 2026 17:33:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771263199; bh=W2R+ulVW4Ddxn3DA4p20lOhEWkpo9PpZPDzZZi14Ebs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BBrM+5yNI6tRf56gCsiOAX1WZTvAsERaa6PfxA6eztS1rdouvHlPjEqzPIzhWeYtl JFttHEcSQP2Kg+eQ24D/Ptehj9RG6o2DdSJ1p/JnWPSqsdLBsPzKaTp6xXJ0mA4j2P zpGycp/SHftog/ZOKE2x5Yt3OseFLfU3aH5B+jEp5tMBhO7OE5+FXLDD5XpKNLwURg Oy4HUoLL203d3tj99EaANjUS40oGu2a4LxiZv+bJwm/YdyIao7S3htUY+JjtVtRUVE XwMoLB6vUv+LjR8DoXx9hXToiS7+9CYi2rdpqJs4F/1zqhVgGuNy6SHkB9j2vWuYd5 N1YP+Rr6FOgGQ== From: "David Hildenbrand (Arm)" To: stable@vger.kernel.org Cc: "David Hildenbrand (Arm)" Subject: [PATCH 6.6.y 0/4] mm/hugetlb: fixes for PMD table sharing (incl. using mmu_gather) Date: Mon, 16 Feb 2026 18:33:06 +0100 Message-ID: <20260216173310.230841-1-david@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <2026012603-stingily-washbasin-9371@gregkh> References: <2026012603-stingily-washbasin-9371@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Backport of [1] for 6.6. This is effectively identical to the 6.12 [2] backport. [1] https://lore.kernel.org/linux-mm/20251223214037.580860-1-david@kernel.org/ [2] https://lore.kernel.org/r/20260216165213.225922-1-david@kernel.org David Hildenbrand (Arm) (1): mm/hugetlb: fix excessive IPI broadcasts when unsharing PMD tables using mmu_gather David Hildenbrand (Red Hat) (2): mm/hugetlb: fix hugetlb_pmd_shared() mm/hugetlb: fix two comments related to huge_pmd_unshare() Jane Chu (1): mm/hugetlb: fix copy_hugetlb_page_range() to use ->pt_share_count include/asm-generic/tlb.h | 77 +++++++++++++++++++- include/linux/hugetlb.h | 17 +++-- include/linux/mm_types.h | 6 ++ mm/hugetlb.c | 146 ++++++++++++++++++++------------------ mm/mmu_gather.c | 33 +++++++++ mm/rmap.c | 25 ++++--- 6 files changed, 219 insertions(+), 85 deletions(-) -- 2.43.0