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authorAndrea Arcangeli <aarcange@redhat.com>2011-01-13 15:46:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:40 -0800
commit8ac1f8320a0073f28cf9e0491af4cd98f504f92a (patch)
tree4dad891c302587fdc7b099b18e05d7dbc5526c64 /arch/sparc/mm
parent64cc6ae001d70bc59e5f854e6b5678f59110df16 (diff)
thp: pte alloc trans splitting
pte alloc routines must wait for split_huge_page if the pmd is not present and not null (i.e. pmd_trans_splitting). The additional branches are optimized away at compile time by pmd_trans_splitting if the config option is off. However we must pass the vma down in order to know the anon_vma lock to wait for. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Acked-by: Rik van Riel <riel@redhat.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sparc/mm')
-rw-r--r--arch/sparc/mm/generic_32.c2
-rw-r--r--arch/sparc/mm/generic_64.c2
-rw-r--r--arch/sparc/mm/hugetlbpage.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/arch/sparc/mm/generic_32.c b/arch/sparc/mm/generic_32.c
index 5edcac184eaf..e6067b75f11c 100644
--- a/arch/sparc/mm/generic_32.c
+++ b/arch/sparc/mm/generic_32.c
@@ -50,7 +50,7 @@ static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned
end = PGDIR_SIZE;
offset -= address;
do {
- pte_t * pte = pte_alloc_map(mm, pmd, address);
+ pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
if (!pte)
return -ENOMEM;
io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
diff --git a/arch/sparc/mm/generic_64.c b/arch/sparc/mm/generic_64.c
index 04f2bf4cd571..3cb00dfd4bd6 100644
--- a/arch/sparc/mm/generic_64.c
+++ b/arch/sparc/mm/generic_64.c
@@ -92,7 +92,7 @@ static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned
end = PGDIR_SIZE;
offset -= address;
do {
- pte_t * pte = pte_alloc_map(mm, pmd, address);
+ pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
if (!pte)
return -ENOMEM;
io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index 5fdddf134caa..f4e97646ce23 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -214,7 +214,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm,
if (pud) {
pmd = pmd_alloc(mm, pud, addr);
if (pmd)
- pte = pte_alloc_map(mm, pmd, addr);
+ pte = pte_alloc_map(mm, NULL, pmd, addr);
}
return pte;
}