diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-29 17:03:14 -0500 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-29 17:03:14 -0500 |
commit | c9cfcddfd65735437a4cb8563d6b66a6da8a5ed6 (patch) | |
tree | 618cdf37baafe8b283bcc9923d9dde89d6428fb5 /mm/fremap.c | |
parent | 4168f7a31801bba6acc18662978d24ec850bbbd0 (diff) |
VM: add common helper function to create the page tables
This logic was duplicated four times, for no good reason.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/fremap.c')
-rw-r--r-- | mm/fremap.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/mm/fremap.c b/mm/fremap.c index f851775e09c..9f381e58bf4 100644 --- a/mm/fremap.c +++ b/mm/fremap.c | |||
@@ -55,20 +55,10 @@ int install_page(struct mm_struct *mm, struct vm_area_struct *vma, | |||
55 | pgoff_t size; | 55 | pgoff_t size; |
56 | int err = -ENOMEM; | 56 | int err = -ENOMEM; |
57 | pte_t *pte; | 57 | pte_t *pte; |
58 | pmd_t *pmd; | ||
59 | pud_t *pud; | ||
60 | pgd_t *pgd; | ||
61 | pte_t pte_val; | 58 | pte_t pte_val; |
62 | spinlock_t *ptl; | 59 | spinlock_t *ptl; |
63 | 60 | ||
64 | pgd = pgd_offset(mm, addr); | 61 | pte = get_locked_pte(mm, addr, &ptl); |
65 | pud = pud_alloc(mm, pgd, addr); | ||
66 | if (!pud) | ||
67 | goto out; | ||
68 | pmd = pmd_alloc(mm, pud, addr); | ||
69 | if (!pmd) | ||
70 | goto out; | ||
71 | pte = pte_alloc_map_lock(mm, pmd, addr, &ptl); | ||
72 | if (!pte) | 62 | if (!pte) |
73 | goto out; | 63 | goto out; |
74 | 64 | ||
@@ -110,20 +100,10 @@ int install_file_pte(struct mm_struct *mm, struct vm_area_struct *vma, | |||
110 | { | 100 | { |
111 | int err = -ENOMEM; | 101 | int err = -ENOMEM; |
112 | pte_t *pte; | 102 | pte_t *pte; |
113 | pmd_t *pmd; | ||
114 | pud_t *pud; | ||
115 | pgd_t *pgd; | ||
116 | pte_t pte_val; | 103 | pte_t pte_val; |
117 | spinlock_t *ptl; | 104 | spinlock_t *ptl; |
118 | 105 | ||
119 | pgd = pgd_offset(mm, addr); | 106 | pte = get_locked_pte(mm, addr, &ptl); |
120 | pud = pud_alloc(mm, pgd, addr); | ||
121 | if (!pud) | ||
122 | goto out; | ||
123 | pmd = pmd_alloc(mm, pud, addr); | ||
124 | if (!pmd) | ||
125 | goto out; | ||
126 | pte = pte_alloc_map_lock(mm, pmd, addr, &ptl); | ||
127 | if (!pte) | 107 | if (!pte) |
128 | goto out; | 108 | goto out; |
129 | 109 | ||