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@synopsys.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/arc/include/asm/hugepage.h b/arch/arc/include/asm/hugepage.h
index c5094de86403be046ce70f6d10777aa13918ceed..7afe3356b770287d30fba05c7c6d16db531efa43 100644 (file)
--- a/arch/arc/include/asm/hugepage.h
+++ b/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)))