ARC, thp: remove infrastructure for handling splitting PMDs
authorVineet Gupta <Vineet.Gupta1@synopsys.com>
Thu, 17 Mar 2016 21:18:59 +0000 (14:18 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 17 Mar 2016 22:09:34 +0000 (15:09 -0700)
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>
arch/arc/include/asm/hugepage.h

index c5094de86403be046ce70f6d10777aa13918ceed..7afe3356b770287d30fba05c7c6d16db531efa43 100644 (file)
@@ -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)))