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authorLee Jones <lee.jones@linaro.org>2012-01-12 12:50:11 +0000
committerLee Jones <lee.jones@linaro.org>2012-01-12 12:50:11 +0000
commit72108d578689febd3579bf16be470328ded6c6d9 (patch)
treecc36ad5306ce823f8e98956c8f048f48017be3cc /include/linux/shrinker.h
parent330f78a83c1f47055427e10a68733af77b2cbac8 (diff)
parent2150f72fe35397cc6d6ce39866bd0462cfbcc916 (diff)
Automatically merging tracking-igloo_kernel-other into merging-stable-linaro-ux500-3.1stable-linaro-ux500-3.1
Conflicting files:
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 790651b4e5b..a83833a1f7a 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.