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 3B8C28F4D for ; Thu, 22 Feb 2024 00:01:09 +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=1708560069; cv=none; b=GjMwhrqEqr8bJkWnCzpmhTweCNqP+S10V2PJCFy+6tuXg9qhJmCeziY/whZrCs3oZaAr7sPIMGkXnviGksGomtpZCRP85iZ6mCmT3xgLUxtRcqCdXjjPCLx8S6aJvmroTLpV6XCOOXCVTFw1zaCngoYX0dgMt0Twa/RPGwlq3bI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708560069; c=relaxed/simple; bh=KOl+I6AC3iJW8HtRd8oGhtZiRCeYkOMlKTSSiqyHu7M=; h=Date:To:From:Subject:Message-Id; b=IrIO3Gc23v+TKEVTBRBeVmVzTVfsaOpUWusARs4NsTDLW7E4+dWPnbmFDrWrzXPUxEALoPe4JjDWV34LvXsKX3XC/zK8tfDDZzidnwX/VAIL4EJk9QVq/Gp3BEpvDVyLg7xurNKhhMBCAAgz8fTxhAG4+I9Bb3tzmzxusNb6flA= 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=giz2Amg6; 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="giz2Amg6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D99CC43390; Thu, 22 Feb 2024 00:01:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1708560069; bh=KOl+I6AC3iJW8HtRd8oGhtZiRCeYkOMlKTSSiqyHu7M=; h=Date:To:From:Subject:From; b=giz2Amg6W0iHZCJCByaBWjciI93kZDifQUTIRvSSNpKD+mgd2MkqVEFZLBaRPbU4x JW0HzSreyLcGFltVig+j+gcY1FZOc3eA/u72GnZAO4y3dif5yDWhZCzIbDcsJ9sI7R cjaoifR28tCAj2RMQxNw6TzChtoU7TiXFqxRWO/I= Date: Wed, 21 Feb 2024 16:01:08 -0800 To: mm-commits@vger.kernel.org,ying.huang@intel.com,willy@infradead.org,riel@surriel.com,oliver.sang@intel.com,fengwei.yin@intel.com,cl@linux.com,yang@os.amperecomputing.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-mmap-no-need-to-call-khugepaged_enter_vma-for-stack.patch removed from -mm tree Message-Id: <20240222000109.0D99CC43390@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: mmap: no need to call khugepaged_enter_vma() for stack has been removed from the -mm tree. Its filename was mm-mmap-no-need-to-call-khugepaged_enter_vma-for-stack.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Yang Shi Subject: mm: mmap: no need to call khugepaged_enter_vma() for stack Date: Wed, 20 Dec 2023 22:59:42 -0800 We avoid allocating THP for temporary stack, even though khugepaged_enter_vma() is called for stack VMAs, it actualy returns false. So no need to call it in the first place at all. Link: https://lkml.kernel.org/r/20231221065943.2803551-1-shy828301@gmail.com Signed-off-by: Yang Shi Reviewed-by: Yin Fengwei Cc: Christopher Lameter Cc: "Huang, Ying" Cc: Matthew Wilcox (Oracle) Cc: Rik van Riel Cc: kernel test robot Signed-off-by: Andrew Morton --- mm/mmap.c | 2 -- 1 file changed, 2 deletions(-) --- a/mm/mmap.c~mm-mmap-no-need-to-call-khugepaged_enter_vma-for-stack +++ a/mm/mmap.c @@ -2051,7 +2051,6 @@ static int expand_upwards(struct vm_area } } anon_vma_unlock_write(vma->anon_vma); - khugepaged_enter_vma(vma, vma->vm_flags); mas_destroy(&mas); validate_mm(mm); return error; @@ -2145,7 +2144,6 @@ int expand_downwards(struct vm_area_stru } } anon_vma_unlock_write(vma->anon_vma); - khugepaged_enter_vma(vma, vma->vm_flags); mas_destroy(&mas); validate_mm(mm); return error; _ Patches currently in -mm which might be from yang@os.amperecomputing.com are