Messages in this thread | | | Date | Mon, 25 Oct 2010 07:52:47 +0900 | Subject | Re: [PATCH] vmscan: move referenced VM_EXEC pages to active list | From | Minchan Kim <> |
| |
On Sat, Oct 23, 2010 at 7:51 AM, Mandeep Singh Baines <msb@chromium.org> wrote: > In commit 64574746, "vmscan: detect mapped file pages used only once", > Johannes Weiner, added logic to page_check_reference to cycle again > used once pages. > > In commit 8cab4754, "vmscan: make mapped executable pages the first > class citizen", Wu Fengguang, added logic to shrink_active_list which > protects file-backed VM_EXEC pages by keeping them in the active_list if > they are referenced. > > This patch adds logic to move such pages from the inactive list to the > active list immediately if they have been referenced. If a VM_EXEC page > is seen as referenced during an inactive list scan, that reference must > have occurred after the page was put on the inactive list. There is no > need to wait for the page to be referenced again. > > Change-Id: I17c312e916377e93e5a92c52518b6c829f9ab30b > Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
It seems to be similar to http://www.spinics.net/lists/linux-mm/msg09617.html. I don't know what it is going. Shaohua?
-- Kind regards, Minchan Kim
| |