linux-kernel - Re: [PATCH resend] mm/page_alloc: fix comment is __get_free

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Message-Id: <20180406125845.72c7e116f53fc70e59302c99@linux-foundation.org>
Date:   Fri, 6 Apr 2018 12:58:45 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     JianKang Chen <chenjiankang1@...wei.com>,
        mgorman@...hsingularity.net, hannes@...xchg.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        xieyisheng1@...wei.com, guohanjun@...wei.com,
        wangkefeng.wang@...wei.com
Subject: Re: [PATCH resend] mm/page_alloc: fix comment is __get_free_pages

On Fri, 6 Apr 2018 12:02:36 +0200 Michal Hocko <mhocko@...nel.org> wrote:

> On Wed 29-11-17 17:04:46, Michal Hocko wrote:
> [...]
> > From 000bb422fe07adbfa8cd8ed953b18f48647a45d6 Mon Sep 17 00:00:00 2001
> > From: Michal Hocko <mhocko@...e.com>
> > Date: Wed, 29 Nov 2017 17:02:33 +0100
> > Subject: [PATCH] mm: drop VM_BUG_ON from __get_free_pages
> > 
> > There is no real reason to blow up just because the caller doesn't know
> > that __get_free_pages cannot return highmem pages. Simply fix that up
> > silently. Even if we have some confused users such a fixup will not be
> > harmful.
> > 
> > Signed-off-by: Michal Hocko <mhocko@...e.com>
> 
> Andrew, have we reached any conclusion for this? Should I repost or drop
> it on the floor?

I actually thought we'd settled on something and merged it.  hrm.

Please send a fresh patch sometime?