linux-kernel - Re: [PATCH v4 2/5] mm/cma: add cma_pages_valid to determine if pages are in CMA

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <YV/5Z8GqtB4mA+Kj@localhost.localdomain>
Date:   Fri, 8 Oct 2021 09:55:19 +0200
From:   Oscar Salvador <osalvador@...e.de>
To:     Mike Kravetz <mike.kravetz@...cle.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        David Hildenbrand <david@...hat.com>,
        Michal Hocko <mhocko@...e.com>, Zi Yan <ziy@...dia.com>,
        Muchun Song <songmuchun@...edance.com>,
        Naoya Horiguchi <naoya.horiguchi@...ux.dev>,
        David Rientjes <rientjes@...gle.com>,
        "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>,
        Nghia Le <nghialm78@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v4 2/5] mm/cma: add cma_pages_valid to determine if pages
 are in CMA

On Fri, Oct 08, 2021 at 09:53:54AM +0200, Oscar Salvador wrote:
> On Thu, Oct 07, 2021 at 11:19:15AM -0700, Mike Kravetz wrote:
> > Add new interface cma_pages_valid() which indicates if the specified
> > pages are part of a CMA region.  This interface will be used in a
> > subsequent patch by hugetlb code.
> > 
> > In order to keep the same amount of DEBUG information, a pr_debug() call
> > was added to cma_pages_valid().  In the case where the page passed to
> > cma_release is not in cma region, the debug message will be printed from
> > cma_pages_valid as opposed to cma_release.
> > 
> > Signed-off-by: Mike Kravetz <mike.kravetz@...cle.com>
> > Acked-by: David Hildenbrand <david@...hat.com>
> 
> Reviewed-by: OScar Salvador <osalvador@...e.de>

Fat fingers: s/OScar/Oscar
 

-- 
Oscar Salvador
SUSE Labs