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| author | Pallipadi, Venkatesh <venkatesh.pallipadi@intel.com> | 2009-03-13 16:35:44 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-14 09:47:44 +0100 |
| commit | 895791dac6946d535991edd11341046f8e85ea77 (patch) | |
| tree | 4ad589460b0d7c039f5d5a42666c6bd572255049 /mm/memory.c | |
| parent | 4bb9c5c02153dfc89a6c73a6f32091413805ad7d (diff) | |
| download | lwn-895791dac6946d535991edd11341046f8e85ea77.tar.gz lwn-895791dac6946d535991edd11341046f8e85ea77.zip | |
VM, x86, PAT: add a new vm flag to track full pfnmap at mmap
Impact: cleanup
Add a new vm flag VM_PFN_AT_MMAP to identify a PFNMAP that is
fully mapped with remap_pfn_range. Patch removes the overloading
of VM_INSERTPAGE from the earlier patch.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Nick Piggin <npiggin@suse.de>
LKML-Reference: <20090313233543.GA19909@linux-os.sc.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c index d7df5babcba9..2032ad2fc34b 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1667,7 +1667,7 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, */ if (addr == vma->vm_start && end == vma->vm_end) { vma->vm_pgoff = pfn; - vma->vm_flags |= VM_PFNMAP_AT_MMAP; + vma->vm_flags |= VM_PFN_AT_MMAP; } else if (is_cow_mapping(vma->vm_flags)) return -EINVAL; @@ -1680,7 +1680,7 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, * needed from higher level routine calling unmap_vmas */ vma->vm_flags &= ~(VM_IO | VM_RESERVED | VM_PFNMAP); - vma->vm_flags &= ~VM_PFNMAP_AT_MMAP; + vma->vm_flags &= ~VM_PFN_AT_MMAP; return -EINVAL; } |