The patch titled
Subject: ARC, thp: remove infrastructure for handling splitting PMDs
has been added to the -mm tree. Its filename is
arc-thp-remove-infrastructure-for-handling-splitting-pmds.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/arc-thp-remove-infrastructure-for-handling-splitting-pmds.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/arc-thp-remove-infrastructure-for-handling-splitting-pmds.patch
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------------------------------------------------------
From: Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx>
Subject: ARC, thp: remove infrastructure for handling splitting PMDs
With THP refcounting work, no need to mark PMDs splitting.
(ARC got missed under the sweeping arch change as THP support was likely
not present in orig baseline)
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arc/include/asm/hugepage.h | 3 ---
1 file changed, 3 deletions(-)
diff -puN arch/arc/include/asm/hugepage.h~arc-thp-remove-infrastructure-for-handling-splitting-pmds arch/arc/include/asm/hugepage.h
--- a/arch/arc/include/asm/hugepage.h~arc-thp-remove-infrastructure-for-handling-splitting-pmds
+++ a/arch/arc/include/asm/hugepage.h
@@ -30,19 +30,16 @@ static inline pmd_t pte_pmd(pte_t pte)
#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
#define pmd_mkhuge(pmd) pte_pmd(pte_mkhuge(pmd_pte(pmd)))
#define pmd_mknotpresent(pmd) pte_pmd(pte_mknotpresent(pmd_pte(pmd)))
-#define pmd_mksplitting(pmd) pte_pmd(pte_mkspecial(pmd_pte(pmd)))
#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
#define pmd_write(pmd) pte_write(pmd_pte(pmd))
#define pmd_young(pmd) pte_young(pmd_pte(pmd))
#define pmd_pfn(pmd) pte_pfn(pmd_pte(pmd))
#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd))
-#define pmd_special(pmd) pte_special(pmd_pte(pmd))
#define mk_pmd(page, prot) pte_pmd(mk_pte(page, prot))
#define pmd_trans_huge(pmd) (pmd_val(pmd) & _PAGE_HW_SZ)
-#define pmd_trans_splitting(pmd) (pmd_trans_huge(pmd) && pmd_special(pmd))
#define pfn_pmd(pfn, prot) (__pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot)))
_
Patches currently in -mm which might be from Vineet.Gupta1@xxxxxxxxxxxx are
mmthp-khugepaged-call-pte-flush-at-the-time-of-collapse.patch
mmthp-fix-spellos-in-describing-__have_arch_flush_pmd_tlb_range.patch
arc-thp-remove-infrastructure-for-handling-splitting-pmds.patch
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