linux-kernel - Re: [PATCH v6 06/10] mm/memory_hotplug: Poison memmap in remove_pfn_range_from

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <f5159e91-cef3-de65-af59-7c81e7c84d6d@redhat.com>
Date:   Wed, 16 Oct 2019 16:01:44 +0200
From:   David Hildenbrand <david@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-mm@...ck.org, linux-arm-kernel@...ts.infradead.org,
        linux-ia64@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
        x86@...nel.org, Andrew Morton <akpm@...ux-foundation.org>,
        Oscar Salvador <osalvador@...e.de>,
        Michal Hocko <mhocko@...e.com>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Dan Williams <dan.j.williams@...el.com>
Subject: Re: [PATCH v6 06/10] mm/memory_hotplug: Poison memmap in
 remove_pfn_range_from_zone()

On 06.10.19 10:56, David Hildenbrand wrote:
> Let's poison the pages similar to when adding new memory in
> sparse_add_section(). Also call remove_pfn_range_from_zone() from
> memunmap_pages(), so we can poison the memmap from there as well.
> 
> While at it, calculate the pfn in memunmap_pages() only once.

FWIW, this comment is stale and could be dropped :)

-- 

Thanks,

David / dhildenb