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Re: Memory mapping with character device

On 4/1/07, black hole <neyrith@xxxxxxxxx> wrote:
Hello,

I am trying to implement a simple character device that
implements the mmap() method (struct file_operations).
I can't get it work, the source code is appended.
[...]
static int mmap_fop(struct file *file, struct vm_area_struct *vma)
{
  // [...]

Commenting out the following line solves the problem.
vma->vm_flags=VM_RESERVED;

BlackHole

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