From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3zr4lL5j3vzF1CD for ; Tue, 27 Feb 2018 15:02:06 +1100 (AEDT) Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w1R3x7rw047692 for ; Mon, 26 Feb 2018 23:02:04 -0500 Received: from e06smtp15.uk.ibm.com (e06smtp15.uk.ibm.com [195.75.94.111]) by mx0b-001b2d01.pphosted.com with ESMTP id 2gcyfrrwbg-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 26 Feb 2018 23:02:03 -0500 Received: from localhost by e06smtp15.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 27 Feb 2018 04:02:00 -0000 From: "Aneesh Kumar K.V" To: Nicholas Piggin Cc: Benjamin Herrenschmidt , paulus@samba.org, mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH V2 2/4] powerpc/mm/slice: Reduce the stack usage in slice_get_unmapped_area In-Reply-To: References: <20180226140826.11641-1-aneesh.kumar@linux.vnet.ibm.com> <20180226140826.11641-3-aneesh.kumar@linux.vnet.ibm.com> Date: Tue, 27 Feb 2018 09:31:55 +0530 MIME-Version: 1.0 Content-Type: text/plain Message-Id: <877eqz9j2k.fsf@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Nicholas Piggin writes: > I had a series which goes significantly further with stack reduction. What > do you think about just going with that? I am yet to review that. What I did here is minimum that is required to get 4PB series compiled. > > I wonder if we should switch to dynamically allocating the slice stuff on > ppc64 -aneesh