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SubjectRe: Memory and rsync problem with vanilla 2.6.7
Grzegorz Kulewski wrote:
>>>Well it doesn't seem to have caused too much trouble as yet... But it
>>>is the obvious candidate if your problems continue. If you are not a
>>>bk user, the attached patch will also revert that change.
>>
>>Thanks, I will test it soon and I will report results. But I am not saying
>>it is a bug - maybe it is simply change that can lead to problems with
>>insane debug options but itself is good?
>
>
> Are you sure that this is good patch against vanilla 2.6.7? It gives me
> 2 failed hunks (both normal and -R)... Should I merge it manually?
>

You're right here's the correct one.
linux-2.6-npiggin/mm/vmscan.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)

diff -puN mm/vmscan.c~vm-revert-fix mm/vmscan.c
--- linux-2.6/mm/vmscan.c~vm-revert-fix 2004-06-21 00:43:07.000000000 +1000
+++ linux-2.6-npiggin/mm/vmscan.c 2004-06-21 00:44:30.000000000 +1000
@@ -867,9 +867,8 @@ shrink_caches(struct zone **zones, struc
for (i = 0; zones[i] != NULL; i++) {
struct zone *zone = zones[i];

- zone->temp_priority = sc->priority;
- if (zone->prev_priority > sc->priority)
- zone->prev_priority = sc->priority;
+ if (zone->free_pages < zone->pages_high)
+ zone->temp_priority = priority;

if (zone->all_unreclaimable && sc->priority != DEF_PRIORITY)
continue; /* Let kswapd poll it */
@@ -1044,8 +1043,6 @@ scan:
all_zones_ok = 0;
}
zone->temp_priority = priority;
- if (zone->prev_priority > priority)
- zone->prev_priority = priority;
sc.nr_scanned = 0;
sc.nr_reclaimed = 0;
sc.priority = priority;
_
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