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 B46464A1D for ; Wed, 21 Feb 2024 22:24:16 +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=1708554256; cv=none; b=tIS6HmbGVI5LoTEeST425N/GrwpNLu4VpT6+Mwd4MZVArFpTx0ZWgx6MzzhLW9UgwlBc6opFTXLRKJEy5ios7TdG7sIRXTwtXdiAC8GZt9gba72owEyjFYTdOK7eM2sbz3nQ8j+oCltWLdxDWoUKxfZJLxwbAiQXuS/vzNjNhwY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708554256; c=relaxed/simple; bh=QEBInbT32dxx5wjfwt09rEkUUYN3uG4QiqgXoKgcboM=; h=Date:To:From:Subject:Message-Id; b=fz2Hd6+JsgsfFMDN4tWmWC460sHAqNrvPlPuom48sPDSfcQFfNHCFA14Lxl/pQsrO7wMjIUJp/hjIU0nKS78IHCn8krfbax8/Eo+frxqqCRxDMRCZaRtkPGO6/kHxMCIKvAHebnF1aa+WxtcrA7Pg+ZYlXQAtyoGo/m/T1MjaD4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=Txo11F1a; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="Txo11F1a" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3B2F5C43390; Wed, 21 Feb 2024 22:24:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1708554256; bh=QEBInbT32dxx5wjfwt09rEkUUYN3uG4QiqgXoKgcboM=; h=Date:To:From:Subject:From; b=Txo11F1anjczktFuhHvl8hKYRL9UrLw9ocIt6pbKGzyaIvI/1PdocQE8V4TiOE/U7 ZfYQP0xQ5cpw/gDoa229e9KJwA/ypUk/2HSXAMleAyRcEVzt4ACSholHS3kAt7afh2 DRpQomrzoQGvk29dzZyEwMZUk+ahv68sWy4N77T8= Date: Wed, 21 Feb 2024 14:24:15 -0800 To: mm-commits@vger.kernel.org,hannes@cmpxchg.org,cerasuolodomenico@gmail.com,hezhongkun.hzk@bytedance.com,akpm@linux-foundation.org From: Andrew Morton Subject: [to-be-updated] mm-z3fold-remove-unneeded-spinlock-in-z3fold_alloc.patch removed from -mm tree Message-Id: <20240221222416.3B2F5C43390@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/z3fold: remove unneeded spinlock in z3fold_alloc has been removed from the -mm tree. Its filename was mm-z3fold-remove-unneeded-spinlock-in-z3fold_alloc.patch This patch was dropped because an updated version will be merged ------------------------------------------------------ From: Zhongkun He Subject: mm/z3fold: remove unneeded spinlock in z3fold_alloc Date: Sun, 4 Feb 2024 21:15:43 +0800 The spinlock in z3fold_alloc() is used to protect page->lru, but now it was removed in commit e774a7bc7f0ad ("mm: zswap: remove page reclaim logic from z3fold"), so remove the spinlock too. Link: https://lkml.kernel.org/r/20240204131543.1469661-1-hezhongkun.hzk@bytedance.com Signed-off-by: Zhongkun He Cc: Domenico Cerasuolo Cc: Johannes Weiner Signed-off-by: Andrew Morton --- mm/z3fold.c | 2 -- 1 file changed, 2 deletions(-) --- a/mm/z3fold.c~mm-z3fold-remove-unneeded-spinlock-in-z3fold_alloc +++ a/mm/z3fold.c @@ -1070,9 +1070,7 @@ found: add_to_unbuddied(pool, zhdr); headless: - spin_lock(&pool->lock); *handle = encode_handle(zhdr, bud); - spin_unlock(&pool->lock); if (bud != HEADLESS) z3fold_page_unlock(zhdr); _ Patches currently in -mm which might be from hezhongkun.hzk@bytedance.com are mm-z3fold-fix-the-comment-for-__encode_handle.patch