+ mm-remove-check_huge_range.patch added to -mm tree

* + mm-remove-check_huge_range.patch added to -mm tree
@ 2011-05-18 21:37 akpm
  0 siblings, 0 replies; 2+ messages in thread
From: akpm @ 2011-05-18 21:37 UTC (permalink / raw)
  To: mm-commits
  Cc: wilsons, adobriyan, cl, hughd, kosaki.motohiro, lee.schermerhorn,
	rientjes


The patch titled
     mm: remove check_huge_range()
has been added to the -mm tree.  Its filename is
     mm-remove-check_huge_range.patch

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*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: mm: remove check_huge_range()
From: Stephen Wilson <wilsons@start.ca>

This function has been superseded by gather_hugetbl_stats() and is no
longer needed.

Signed-off-by: Stephen Wilson <wilsons@start.ca>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/mempolicy.c |   35 -----------------------------------
 1 file changed, 35 deletions(-)

diff -puN mm/mempolicy.c~mm-remove-check_huge_range mm/mempolicy.c

--- a/mm/mempolicy.c~mm-remove-check_huge_range
+++ a/mm/mempolicy.c
@@ -2600,35 +2600,6 @@ static int gather_pte_stats(pmd_t *pmd, 
 }
 
 #ifdef CONFIG_HUGETLB_PAGE
-static void check_huge_range(struct vm_area_struct *vma,
-		unsigned long start, unsigned long end,
-		struct numa_maps *md)
-{
-	unsigned long addr;
-	struct page *page;
-	struct hstate *h = hstate_vma(vma);
-	unsigned long sz = huge_page_size(h);
-
-	for (addr = start; addr < end; addr += sz) {
-		pte_t *ptep = huge_pte_offset(vma->vm_mm,
-						addr & huge_page_mask(h));
-		pte_t pte;
-
-		if (!ptep)
-			continue;
-
-		pte = *ptep;
-		if (pte_none(pte))
-			continue;
-
-		page = pte_page(pte);
-		if (!page)
-			continue;
-
-		gather_stats(page, md, pte_dirty(*ptep));
-	}
-}
-
 static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
 		unsigned long addr, unsigned long end, struct mm_walk *walk)
 {
@@ -2648,12 +2619,6 @@ static int gather_hugetbl_stats(pte_t *p
 }
 
 #else
-static inline void check_huge_range(struct vm_area_struct *vma,
-		unsigned long start, unsigned long end,
-		struct numa_maps *md)
-{
-}

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