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| author | James Morris <james.l.morris@oracle.com> | 2014-04-14 11:23:14 +1000 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-04-14 11:23:14 +1000 |
| commit | ecd740c6f2f092b90b95fa35f757973589eaaca2 (patch) | |
| tree | ce02b1e18c4fc5729699251460cd8be7604d8401 /include/linux/compaction.h | |
| parent | f64410ec665479d7b4b77b7519e814253ed0f686 (diff) | |
| parent | 455c6fdbd219161bd09b1165f11699d6d73de11c (diff) | |
| download | cachepc-linux-ecd740c6f2f092b90b95fa35f757973589eaaca2.tar.gz cachepc-linux-ecd740c6f2f092b90b95fa35f757973589eaaca2.zip | |
Merge commit 'v3.14' into next
Diffstat (limited to 'include/linux/compaction.h')
| -rw-r--r-- | include/linux/compaction.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/compaction.h b/include/linux/compaction.h index 091d72e70d8a..7e1c76e3cd68 100644 --- a/include/linux/compaction.h +++ b/include/linux/compaction.h @@ -62,6 +62,22 @@ static inline bool compaction_deferred(struct zone *zone, int order) return zone->compact_considered < defer_limit; } +/* + * Update defer tracking counters after successful compaction of given order, + * which means an allocation either succeeded (alloc_success == true) or is + * expected to succeed. + */ +static inline void compaction_defer_reset(struct zone *zone, int order, + bool alloc_success) +{ + if (alloc_success) { + zone->compact_considered = 0; + zone->compact_defer_shift = 0; + } + if (order >= zone->compact_order_failed) + zone->compact_order_failed = order + 1; +} + /* Returns true if restarting compaction after many failures */ static inline bool compaction_restarting(struct zone *zone, int order) { |