On Tuesday 07 August 2001 00:48, BERECZ Szabolcs wrote:
> On Fri, 3 Aug 2001, Marcelo Tosatti wrote:
> > Does the problem happen only with the used-once patch ?
> >
> > If it also happens without the used-once patch, can you reproduce
> > the problem with 2.4.6 ?
>
> The problem happened about 4 times, with the used-once patch,
> but I don't know exactly what triggered it.
>
> now I use 2.4.7-ac5, and I have not seen the problem, yet.
>
> I will try with the used-once patch, if it appears again.
Please note the additional patch, to be applied after the used-once
patch for 2.4.7 and 2.4.7-ac*, or directly to 2.4.8-pre*. This was
posted on lkml and linux-mm on Aug 5 under the subject:
[PATCH] Unlazy activate
which adds the additional behaviour of moving used-twice pages to the
active list.
Here it is again:
--- ../2.4.7.clean/mm/filemap.c Sat Aug 4 14:27:16 2001
+++ ./mm/filemap.c Sat Aug 4 23:41:00 2001
@@ -979,9 +979,13 @@
static inline void check_used_once (struct page *page)
{
- if (!page->age) {
- page->age = PAGE_AGE_START;
- ClearPageReferenced(page);
+ if (!PageActive(page)) {
+ if (page->age)
+ activate_page(page);
+ else {
+ page->age = PAGE_AGE_START;
+ ClearPageReferenced(page);
+ }
}
}
-
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This archive was generated by hypermail 2b29 : Tue Aug 07 2001 - 21:00:41 EST