linux-kernel - Re: mmotm 2020-11-16-16-47 uploaded (m/secretmem.c)

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Date:   Mon, 16 Nov 2020 20:20:12 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     akpm@...ux-foundation.org, broonie@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-next@...r.kernel.org, mhocko@...e.cz,
        mm-commits@...r.kernel.org, sfr@...b.auug.org.au,
        Mike Rapoport <rppt@...nel.org>
Subject: Re: mmotm 2020-11-16-16-47 uploaded (m/secretmem.c)

On 11/16/20 4:48 PM, akpm@...ux-foundation.org wrote:
> The mm-of-the-moment snapshot 2020-11-16-16-47 has been uploaded to
> 
>    https://www.ozlabs.org/~akpm/mmotm/
> 
> mmotm-readme.txt says
> 
> README for mm-of-the-moment:
> 
> https://www.ozlabs.org/~akpm/mmotm/
> 
> This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
> more than once a week.
> 
> You will need quilt to apply these patches to the latest Linus release (5.x
> or 5.x-rcY).  The series file is in broken-out.tar.gz and is duplicated in
> https://ozlabs.org/~akpm/mmotm/series
> 
> The file broken-out.tar.gz contains two datestamp files: .DATE and
> .DATE-yyyy-mm-dd-hh-mm-ss.  Both contain the string yyyy-mm-dd-hh-mm-ss,
> followed by the base kernel version against which this patch series is to
> be applied.
> 
> This tree is partially included in linux-next.  To see which patches are
> included in linux-next, consult the `series' file.  Only the patches
> within the #NEXT_PATCHES_START/#NEXT_PATCHES_END markers are included in
> linux-next.
> 
> 
> A full copy of the full kernel tree with the linux-next and mmotm patches
> already applied is available through git within an hour of the mmotm
> release.  Individual mmotm releases are tagged.  The master branch always
> points to the latest release, so it's constantly rebasing.
> 
> 	https://github.com/hnaz/linux-mm
> 
> The directory https://www.ozlabs.org/~akpm/mmots/ (mm-of-the-second)
> contains daily snapshots of the -mm tree.  It is updated more frequently
> than mmotm, and is untested.
> 


on x86_64:

as reported on 2020-11-12:

when CONFIG_MEMCG is not set:

../mm/secretmem.c: In function ‘secretmem_memcg_charge’:
../mm/secretmem.c:72:4: error: ‘struct page’ has no member named ‘memcg_data’
   p->memcg_data = page->memcg_data;
    ^~
../mm/secretmem.c:72:23: error: ‘struct page’ has no member named ‘memcg_data’
   p->memcg_data = page->memcg_data;
                       ^~
../mm/secretmem.c: In function ‘secretmem_memcg_uncharge’:
../mm/secretmem.c:86:4: error: ‘struct page’ has no member named ‘memcg_data’
   p->memcg_data = 0;
    ^~


-- 
~Randy
Reported-by: Randy Dunlap <rdunlap@...radead.org>