[lkml]   [2006]   [Mar]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [patch 2/2] mspec driver
Jes Sorensen wrote:

> +static int
> +mspec_mmap(struct file *file, struct vm_area_struct *vma, int type)


> + vma->vm_flags |= (VM_IO | VM_LOCKED | VM_RESERVED | VM_PFNMAP);

VM_PFNMAP actually has a fairly specific meaning [unlike the rest of
them :)] so you should be careful with it. Actually if you set vm_pgoff
in the right way, then that should enable you to do COWs on these areas
if that is what you want.

SUSE Labs, Novell Inc.
Send instant messages to your online friends

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-03-17 14:39    [W:0.105 / U:2.844 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site