[parisc-linux] Fwd: Problems with raw interface.
David S. Miller
Thu, 25 Sep 2003 18:08:48 -0700
On Thu, 25 Sep 2003 15:26:23 +0100
Matthew Wilcox <email@example.com> wrote:
> I think you're right. flush_dcache_page is for page cache pages, not for
> random user addresses. Would something like this make sense?
The flush_dcache_page() is needed in case the platform has deferred
the flushing for a kernel cpu store to a page cache page.
You cannot just delete this call and replace it with a flush_cache_range()
call, that simply won't work.