From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 10C953F7A8C for ; Tue, 7 Jul 2026 12:11:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783426306; cv=none; b=Y0qft93SJqm965yAFms+1aZEuyY/DNnn7WOtj3CfRa/RQzF6vJTHlMMvrLcO0QkubnCX3dUW/fs/4vOZyiiLK2F8J2wq4WvskO+XlGRJzkqfGxpbu9w+EsjSBD51VQF8rEhV3uZRHhB2/0Vyjj+mtTZTOSOWb0/F3QRGxRGThmE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783426306; c=relaxed/simple; bh=o7VwJh7uSVaoe4ejn5xYBJ0uFGWhULPUCA9+6098DIw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=pb+uIPs6BpAR5EY7bqr31VmryRa4IAlpTlPWBazjsHMjfCLknh3SWiHUZ8+PGPab0dkMoSa7gvhZxLfqHe8Yqkp0WLgmXzQskrbka01UPzIxCauigAQqOGnjIgxZsG7A9jDKuM6cSpeWzG+4Z6GrQ+CTvGJzn1ChNnvzkuurYu4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=cbIDQqJA; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="cbIDQqJA" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0E7131A00; Tue, 7 Jul 2026 05:11:40 -0700 (PDT) Received: from cesw-amp-gbt-1s-m12830-01.blr.arm.com (cesw-amp-gbt-1s-m12830-01.blr.arm.com [10.164.195.33]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 1BC523F7B4; Tue, 7 Jul 2026 05:11:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1783426304; bh=o7VwJh7uSVaoe4ejn5xYBJ0uFGWhULPUCA9+6098DIw=; h=From:To:Cc:Subject:Date:From; b=cbIDQqJAPUtiB+qhOVOe3tJ1PNzbhZ0euJHBipCjwhbt/zKVz3VBdoYOsEkcvsVvq 3OBF4jp/vkO8GaZKBcZhGFaEJ/u9Ye5VLnC2a817ao4bA4cQnocG4ZI9K+gqyUfCZw dGUjIy+u+2xT2jV7bHbbdnO1pL3PMyigoFhdchis= From: Dev Jain To: akpm@linux-foundation.org, david@kernel.org, ljs@kernel.org, muchun.song@linux.dev, osalvador@suse.de Cc: Dev Jain , riel@surriel.com, liam@infradead.org, vbabka@kernel.org, harry@kernel.org, jannh@google.com, lance.yang@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, ryan.roberts@arm.com, anshuman.khandual@arm.com Subject: [PATCH 0/5] mm/rmap: Refactor try_to_unmap_one Date: Tue, 7 Jul 2026 12:11:18 +0000 Message-ID: <20260707121128.373192-1-dev.jain@arm.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: 8bit In preparation for batching anonymous large folio unmapping to optimize it, refactor try_to_unmap_one. This series refactors hugetlb, anon-lazyfree and anon-swapbacked logic into their own functions, significantly reducing the length of the huge try_to_unmap_one. --- Split out from https://lore.kernel.org/all/20260526063635.61721-1-dev.jain@arm.com/ mm-selftests pass on arm64, built on arm64 and x86. Dev Jain (5): mm/rmap: convert page -> folio for hwpoison checks mm/rmap: Add try_to_unmap_hugetlb_one mm/rmap: refactor some code around lazyfree folio unmapping mm/rmap: refactor anon swapbacked folio unmap in try_to_unmap_one mm/rmap: add anon folio unmap dispatcher function include/linux/hugetlb.h | 1 + mm/rmap.c | 425 +++++++++++++++++++++++----------------- 2 files changed, 244 insertions(+), 182 deletions(-) -- 2.43.0