Re: 230-objrmap fixes for 2.6.3-mjb2

[Dave McCracken]

--On Friday, March 26, 2004 15:25:23 -0800 Andrew Morton <akpm@xxxxxxxx>
wrote:

> It would be really, really nice if we could clean this crap up.  mmap_sem
> protects the vma tree, i_shared_sem protects the per-address_space vma
> lists and page_table_lock protects the pagetables.
> 
> Does this sound like something we can achieve?
> 
> (Could page_table_lock then become per-vma?)

The page_table_lock protection includes pgd and pmd.  Would they receive
adequate protection with a per-vma lock?  Could we come up with some
lockless scheme for managing them?  They're pretty much write-once, as it
stands.

Dave McCracken

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/