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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-18 17:23:44 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-01-20 14:48:29 +0100 |
| commit | f8a85f1164a33e3eb5b421b137ced793ed53ee33 (patch) | |
| tree | ce4cd8de4eeee853c87b41a594979fd9cb3b6db5 | |
| parent | ARM: make_coherent: split adjust_pte() in two (diff) | |
| download | linux-f8a85f1164a33e3eb5b421b137ced793ed53ee33.tar.xz linux-f8a85f1164a33e3eb5b421b137ced793ed53ee33.zip | |
ARM: make_coherent: convert adjust_pte() to use p*d_none_or_clear_bad()
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mm/fault-armv.c | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c index 074e6bb54eb3..7a8efe1b37d8 100644 --- a/arch/arm/mm/fault-armv.c +++ b/arch/arm/mm/fault-armv.c @@ -73,16 +73,12 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address) int ret; pgd = pgd_offset(vma->vm_mm, address); - if (pgd_none(*pgd)) - goto no_pgd; - if (pgd_bad(*pgd)) - goto bad_pgd; + if (pgd_none_or_clear_bad(pgd)) + return 0; pmd = pmd_offset(pgd, address); - if (pmd_none(*pmd)) - goto no_pmd; - if (pmd_bad(*pmd)) - goto bad_pmd; + if (pmd_none_or_clear_bad(pmd)) + return 0; pte = pte_offset_map(pmd, address); @@ -91,18 +87,6 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address) pte_unmap(pte); return ret; - -bad_pgd: - pgd_ERROR(*pgd); - pgd_clear(pgd); -no_pgd: - return 0; - -bad_pmd: - pmd_ERROR(*pmd); - pmd_clear(pmd); -no_pmd: - return 0; } static void |