linux-kernel - Re: mmotm 2019-11-14-17-24 uploaded (UML mm/vmalloc.c)

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Message-ID: <25f8266e-bba5-d3a3-00e9-d1855e5483c6@infradead.org>
Date:   Thu, 14 Nov 2019 18:28:06 -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,
        richard -rw- weinberger <richard.weinberger@...il.com>,
        Shile Zhang <shile.zhang@...ux.alibaba.com>
Subject: Re: mmotm 2019-11-14-17-24 uploaded (UML mm/vmalloc.c)

On 11/14/19 5:25 PM, akpm@...ux-foundation.org wrote:
> The mm-of-the-moment snapshot 2019-11-14-17-24 has been uploaded to
> 
>    http://www.ozlabs.org/~akpm/mmotm/
> 
> mmotm-readme.txt says
> 
> README for mm-of-the-moment:
> 
> http://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
> http://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.

UML on i386 has build errors (defconfig):

  CC      mm/vmalloc.o
../mm/vmalloc.c: In function ‘__purge_vmap_area_lazy’:
../mm/vmalloc.c:1286:8: error: ‘SHARED_KERNEL_PMD’ undeclared (first use in this function); did you mean ‘PAGE_KERNEL_RO’?
   if (!SHARED_KERNEL_PMD && boot_cpu_has(X86_FEATURE_PTI))
        ^~~~~~~~~~~~~~~~~
        PAGE_KERNEL_RO
../mm/vmalloc.c:1286:8: note: each undeclared identifier is reported only once for each function it appears in
../mm/vmalloc.c:1286:29: error: implicit declaration of function ‘boot_cpu_has’; did you mean ‘get_cpu_mask’? [-Werror=implicit-function-declaration]
   if (!SHARED_KERNEL_PMD && boot_cpu_has(X86_FEATURE_PTI))
                             ^~~~~~~~~~~~
                             get_cpu_mask


-- 
~Randy