* Re: + mm-x86-add-support-for-pud-sized-transparent-hugepages-fix-fix.patch added to -mm tree
[not found] <58a4bc95.wUw3v0FZUCnAXeFL%akpm@linux-foundation.org>
@ 2017-02-21 17:12 ` Alexander Kapshuk
0 siblings, 0 replies; only message in thread
From: Alexander Kapshuk @ 2017-02-21 17:12 UTC (permalink / raw)
To: akpm; +Cc: dave.jiang, mm-commits, linux-next
On Wed, Feb 15, 2017 at 12:39:49PM -0800, akpm@linux-foundation.org wrote:
>
> The patch titled
> Subject: mm,x86: fix SMP x86 32bit build for native_pud_clear()
> has been added to the -mm tree. Its filename is
> mm-x86-add-support-for-pud-sized-transparent-hugepages-fix-fix.patch
>
> This patch should soon appear at
> http://ozlabs.org/~akpm/mmots/broken-out/mm-x86-add-support-for-pud-sized-transparent-hugepages-fix-fix.patch
> and later at
> http://ozlabs.org/~akpm/mmotm/broken-out/mm-x86-add-support-for-pud-sized-transparent-hugepages-fix-fix.patch
>
> Before you just go and hit "reply", please:
> a) Consider who else should be cc'ed
> b) Prefer to cc a suitable mailing list as well
> c) Ideally: find the original patch on the mailing list and do a
> reply-to-all to that, adding suitable additional cc's
>
> *** Remember to use Documentation/SubmitChecklist when testing your code ***
>
> The -mm tree is included into linux-next and is updated
> there every 3-4 working days
>
> ------------------------------------------------------
> From: Dave Jiang <dave.jiang@intel.com>
> Subject: mm,x86: fix SMP x86 32bit build for native_pud_clear()
>
> The fix introduced by e4decc90 to fix the UP case for 32bit x86, however
> that broke the SMP case that was working previously. Add ifdef so the dummy
> function only show up for 32bit UP case only.
>
> Fix: e4decc90 mm,x86: native_pud_clear missing on i386 build
>
> Link: http://lkml.kernel.org/r/148719066814.31111.3239231168815337012.stgit@djiang5-desk3.ch.intel.com
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
> Reported-by: Alexander Kapshuk <alexander.kapshuk@gmail.com>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
>
> arch/x86/include/asm/pgtable-3level.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff -puN arch/x86/include/asm/pgtable-3level.h~mm-x86-add-support-for-pud-sized-transparent-hugepages-fix-fix arch/x86/include/asm/pgtable-3level.h
> --- a/arch/x86/include/asm/pgtable-3level.h~mm-x86-add-support-for-pud-sized-transparent-hugepages-fix-fix
> +++ a/arch/x86/include/asm/pgtable-3level.h
> @@ -121,9 +121,11 @@ static inline void native_pmd_clear(pmd_
> *(tmp + 1) = 0;
> }
>
> +#ifndef CONFIG_SMP
> static inline void native_pud_clear(pud_t *pudp)
> {
> }
> +#endif
>
> static inline void pud_clear(pud_t *pudp)
> {
> _
>
> Patches currently in -mm which might be from dave.jiang@intel.com are
>
> mm-dax-make-pmd_fault-and-friends-to-be-the-same-as-fault.patch
> mm-dax-make-pmd_fault-and-friends-to-be-the-same-as-fault-v7.patch
> mm-dax-move-pmd_fault-to-take-only-vmf-parameter.patch
> mm-fs-reduce-fault-page_mkwrite-and-pfn_mkwrite-to-take-only-vmf.patch
> mmfsdax-change-pmd_fault-to-huge_fault.patch
> mmfsdax-change-pmd_fault-to-huge_fault-fix.patch
> mm-x86-add-support-for-pud-sized-transparent-hugepages-fix.patch
> mm-x86-add-support-for-pud-sized-transparent-hugepages-fix-fix.patch
> dax-support-for-transparent-pud-pages-for-device-dax.patch
> mm-replace-fault_flag_size-with-parameter-to-huge_fault.patch
>
Just a quick note to let you know that the patch included in next-20170221 did fix the problem I reported.
Thanks once again.
^ permalink raw reply [flat|nested] only message in thread