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author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-11-21 23:42:06 +0000 |
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committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-11-21 23:42:06 +0000 |
commit | 300e812db26f4aa022e346f5fb9af1af134d98d8 (patch) | |
tree | 382b45253a704087e8aa0c770bf3fc2ad67d4b02 /include/linux/shrinker.h | |
parent | 4420dd2b306f1997232a13462bca0d420be5b1b8 (diff) | |
parent | cfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff) |
Merge commit 'v3.2-rc2' into fbdev-next
Diffstat (limited to 'include/linux/shrinker.h')
-rw-r--r-- | include/linux/shrinker.h | 1 |
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. |