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
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------------------------------------------------------
From: Dave Jiang <dave.jiang@xxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Reported-by: Alexander Kapshuk <alexander.kapshuk@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxx 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
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