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* [alternative-merged] x86-mm-fix-nohighmem-x86_pae-build-config-for-native_pud_clear.patch removed from -mm tree
@ 2017-03-14 20:59 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2017-03-14 20:59 UTC (permalink / raw)
  To: dave.jiang, arnd, mawilcox, mm-commits


The patch titled
     Subject: x86, mm: fix NOHIGHMEM && X86_PAE build config for native_pud_clear()
has been removed from the -mm tree.  Its filename was
     x86-mm-fix-nohighmem-x86_pae-build-config-for-native_pud_clear.patch

This patch was dropped because an alternative patch was merged

------------------------------------------------------
From: Dave Jiang <dave.jiang@intel.com>
Subject: x86, mm: fix NOHIGHMEM && X86_PAE build config for native_pud_clear()

Looks like a 32bit x86 build failure case where X86_PAE and NOHIMEM
are on. This was reported by kbuild test bot.

   In file included from include/linux/mm.h:68:0,
                    from include/linux/highmem.h:7,
                    from include/linux/bio.h:21,
                    from include/linux/writeback.h:205,
                    from include/linux/memcontrol.h:30,
                    from include/linux/swap.h:8,
                    from include/linux/suspend.h:4,
                    from arch/x86/kernel/asm-offsets.c:12:
   arch/x86/include/asm/pgtable.h: In function 'native_local_pudp_get_and_clear':
>> arch/x86/include/asm/pgtable.h:888:2: error: implicit declaration of function 'native_pud_clear' [-Werror=implicit-function-declaration]
     native_pud_clear(pudp);
     ^~~~~~~~~~~~~~~~

Fixes: a00cc7d9dd93d ("mm, x86: add support for PUD-sized transparent hugepages")
Link: http://lkml.kernel.org/r/148883869853.70777.12180810304957921737.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/x86/include/asm/pgtable-3level.h |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff -puN arch/x86/include/asm/pgtable-3level.h~x86-mm-fix-nohighmem-x86_pae-build-config-for-native_pud_clear arch/x86/include/asm/pgtable-3level.h
--- a/arch/x86/include/asm/pgtable-3level.h~x86-mm-fix-nohighmem-x86_pae-build-config-for-native_pud_clear
+++ a/arch/x86/include/asm/pgtable-3level.h
@@ -121,8 +121,9 @@ static inline void native_pmd_clear(pmd_
 	*(tmp + 1) = 0;
 }
 
-#if !defined(CONFIG_SMP) || (defined(CONFIG_HIGHMEM64G) && \
-		defined(CONFIG_PARAVIRT))
+#if !defined(CONFIG_SMP) || \
+	(defined(CONFIG_HIGHMEM64G) && defined(CONFIG_PARAVIRT)) || \
+	(defined(CONFIG_NOHIGHMEM) && defined(CONFIG_X86_PAE))
 static inline void native_pud_clear(pud_t *pudp)
 {
 }
_

Patches currently in -mm which might be from dave.jiang@intel.com are



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2017-03-14 20:59 [alternative-merged] x86-mm-fix-nohighmem-x86_pae-build-config-for-native_pud_clear.patch removed from -mm tree akpm

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