linux-kernel - Re: [PATCH] mm: Remove VM_BUG_ON in __alloc_pages

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Message-ID: <20190605155501.GA5786@bharath12345-Inspiron-5559>
Date:   Wed, 5 Jun 2019 21:25:01 +0530
From:   Bharath Vedartham <linux.bhar@...il.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     akpm@...ux-foundation.org, vbabka@...e.cz, rientjes@...gle.com,
        khalid.aziz@...cle.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: Remove VM_BUG_ON in __alloc_pages_node

IMO the reason why a lot of failures must not have occured in the past
might be because the programs which use it use stuff like cpu_to_node or
have checks for nid.
If one day we do get a program which passes an invalid node id without
VM_BUG_ON enabled, it might get weird.