From nobody Fri Dec 19 20:42:30 2025 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 72DA2257431 for ; Wed, 5 Mar 2025 18:16:37 +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=1741198597; cv=none; b=ZH8avHdDS0OhTOdZEa1t7SXRg5snUrNEOJ2qKi1qlmAk2Q64k0+UJqmkFnbsV8ZS/UBrDlgj3+kWRbmTP+GMHBq0d1nYNMsS/b6q8OIgF1qjNBtYzL/AjSEu8cp0FKACbpIaTlDOtsKHC2U9MqNf3R7SU1HUrcXiIMYX23bArPU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741198597; c=relaxed/simple; bh=61D1iQafSCEWPTeNlMInbGqRcctkDb5o3v4OcYZ+P3Q=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=WM2AEaST/Ao+zhAYyUW8QG4paK8yCtUvkNWpXtML/nDXJ009jDZid0ZFHLXa2l9kinOvGQA5Uq5SWlq8n5BuWrcpt79sLuPzKsbWebj+sSp9GJzkzk4/rxBPX6IsanL4HYcDliFFGqLZ+D93iXKq+LfAwPjrXJnoxCxeGlS9C54= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ODq+EsY3; 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="ODq+EsY3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06F51C4CED1; Wed, 5 Mar 2025 18:16:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741198597; bh=61D1iQafSCEWPTeNlMInbGqRcctkDb5o3v4OcYZ+P3Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ODq+EsY3/sWBCSNpxUzI9FMLsZgJlE7Dy483xYT6Kt4Mg9OSOluTVjXkexjRq06BP lMjO/Tvnxa+w8n00c6Ym/vYh9UQPMiZhyyeLvhnrMMamKOSuQlpWlcx0PMFjH/MX6F ytwabLKAQ+ZDeElAuiuMgHvEVF5zBtNbM5TzCIPf1hHdk4ishq53IQaBGF13pVfoYd VQaSMorn8QNtKh1+SKJh+KsAN8iL5J0q9YcWzqrSqxEYLL71uQrH5lDesIYn1ZCwQ4 JqI988Cd1g4LAGOkzGZOhhM7/4LgMTyYtyliqk4Pp9IshM7YYxA91Hcnc8DcngECjW ApD3cjLnF7fdw== From: SeongJae Park To: Cc: SeongJae Park , "Liam R. Howlett" , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , Shakeel Butt , Vlastimil Babka , kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 15/16] mm/madvise: remove !tlb support from madvise_dontneed_single_vma() Date: Wed, 5 Mar 2025 10:16:10 -0800 Message-Id: <20250305181611.54484-16-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250305181611.54484-1-sj@kernel.org> References: <20250305181611.54484-1-sj@kernel.org> 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 Content-Type: text/plain; charset="utf-8" madvise_dontneed_single_vma() supports both batched tlb flushes and unbatched tlb flushes use cases depending on received tlb parameter's value. Both were supported for safe and fine transition of the usages from the unbatched flushed to the batched ones. Now the transition is done, and therefore there is no real unbatched tlb flushes use case. Remove the code for supporting the no more being used input case. Signed-off-by: SeongJae Park --- mm/madvise.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/mm/madvise.c b/mm/madvise.c index 0d292b8e1a0e..1dd2c25c83d8 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -866,10 +866,7 @@ static long madvise_dontneed_single_vma(struct mmu_gat= her *tlb, .even_cows =3D true, }; =20 - if (!tlb) - zap_page_range_single(vma, start, end - start, &details); - else - unmap_vma_single(tlb, vma, start, end - start, &details); + unmap_vma_single(tlb, vma, start, end - start, &details); return 0; } =20 --=20 2.39.5