From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f200.google.com (mail-qk0-f200.google.com [209.85.220.200]) by kanga.kvack.org (Postfix) with ESMTP id A43806B0038 for ; Wed, 9 Nov 2016 20:47:51 -0500 (EST) Received: by mail-qk0-f200.google.com with SMTP id d67so176210109qkc.0 for ; Wed, 09 Nov 2016 17:47:51 -0800 (PST) Received: from frisell.zx2c4.com (frisell.zx2c4.com. [192.95.5.64]) by mx.google.com with ESMTPS id y80si1680684qky.109.2016.11.09.17.47.50 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 09 Nov 2016 17:47:50 -0800 (PST) Received: by frisell.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 2364fbcf for ; Thu, 10 Nov 2016 01:45:47 +0000 (UTC) Received: by frisell.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id d58c8976 (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128:NO) for ; Thu, 10 Nov 2016 01:45:47 +0000 (UTC) Received: by mail-lf0-f49.google.com with SMTP id c13so178148495lfg.0 for ; Wed, 09 Nov 2016 17:47:49 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <5823BCA3.2020202@caviumnetworks.com> References: <5823BCA3.2020202@caviumnetworks.com> From: "Jason A. Donenfeld" Date: Thu, 10 Nov 2016 02:47:47 +0100 Message-ID: Subject: Re: Proposal: HAVE_SEPARATE_IRQ_STACK? Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: David Daney Cc: LKML , linux-mips@linux-mips.org, linux-mm@kvack.org, Thomas Gleixner , WireGuard mailing list , k@vodka.home.kg On Thu, Nov 10, 2016 at 1:17 AM, David Daney wrote: > Easiest thing to do would be to select 16K page size in your .config, I > think that will give you a similar sized stack. I didn't realize that was possible... I'm mostly concerned about the best way to deal with systems that have a limited stack size on architectures without support for separate irq stacks. Part of this I assume involves actually detecting with a processor definition that the current architecture has a deceptively small stack. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org