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| author | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-11-25 10:48:00 -0800 |
|---|---|---|
| committer | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-11-25 10:48:00 -0800 |
| commit | 27f6cbecbf60e2dd2be49a945e9966ed6b20b2de (patch) | |
| tree | 2416ab37445ec5ec8e669016a2d1f5573863d73c /include/linux/shrinker.h | |
| parent | 7cf095f46f0ca52773a431db8ac0bf4a07a3501b (diff) | |
| parent | eb1852b10593dc3ca73e02bf9ac4753a5a464905 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into wireless-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 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. |