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authorKalle Valo <kvalo@qca.qualcomm.com>2011-12-16 21:10:39 +0200
committerKalle Valo <kvalo@qca.qualcomm.com>2011-12-16 21:10:39 +0200
commit7e95e365d5399647a41e10059e4b09826b82d78b (patch)
tree305c9968798adae3d9484657339fa39d2a5fdaac /include/linux/shrinker.h
parent3ca9d1fc9aa64077645a26c396de9399b49ea226 (diff)
parent5bd5e9a6ae5137a61d0b5c277eac61892d89fc4f (diff)
Merge remote branch 'wireless-next/master' into ath6kl-next
Conflicts: drivers/net/wireless/ath/ath6kl/init.c
Diffstat (limited to 'include/linux/shrinker.h')
-rw-r--r--include/linux/shrinker.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
index 790651b4e5ba..a83833a1f7a2 100644
--- a/include/linux/shrinker.h
+++ b/include/linux/shrinker.h
@@ -20,6 +20,7 @@ struct shrink_control {
* 'nr_to_scan' entries and attempt to free them up. It should return
* the number of objects which remain in the cache. If it returns -1, it means
* it cannot do any scanning at this time (eg. there is a risk of deadlock).
+ * The callback must not return -1 if nr_to_scan is zero.
*
* The 'gfpmask' refers to the allocation we are currently trying to
* fulfil.