diff options
| author | Johannes Weiner <hannes@cmpxchg.org> | 2023-05-19 14:39:55 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-10 01:25:36 +0200 |
| commit | ecd8b2928f2efc7b678b361d51920c15b5ef3885 (patch) | |
| tree | 7fd1329d9f577d3ba397841ef301fb08a2fa2e02 /include/trace | |
| parent | mm: page_alloc: set sysctl_lowmem_reserve_ratio storage-class-specifier to st... (diff) | |
| download | linux-ecd8b2928f2efc7b678b361d51920c15b5ef3885.tar.xz linux-ecd8b2928f2efc7b678b361d51920c15b5ef3885.zip | |
mm: compaction: remove compaction result helpers
Patch series "mm: compaction: cleanups & simplifications".
These compaction cleanups are split out from the huge page allocator
series[1], as requested by reviewer feedback.
[1] https://lore.kernel.org/linux-mm/20230418191313.268131-1-hannes@cmpxchg.org/
This patch (of 5):
The compaction result helpers encode quirks that are specific to the
allocator's retry logic. E.g. COMPACT_SUCCESS and COMPACT_COMPLETE
actually represent failures that should be retried upon, and so on. I
frequently found myself pulling up the helper implementation in order to
understand and work on the retry logic. They're not quite clean
abstractions; rather they split the retry logic into two locations.
Remove the helpers and inline the checks. Then comment on the result
interpretations directly where the decision making happens.
Link: https://lkml.kernel.org/r/20230519123959.77335-1-hannes@cmpxchg.org
Link: https://lkml.kernel.org/r/20230519123959.77335-2-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/mmflags.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h index b63e7c0fbbe5..1478b9dd05fa 100644 --- a/include/trace/events/mmflags.h +++ b/include/trace/events/mmflags.h @@ -223,8 +223,8 @@ IF_HAVE_VM_SOFTDIRTY(VM_SOFTDIRTY, "softdirty" ) \ #define compact_result_to_feedback(result) \ ({ \ enum compact_result __result = result; \ - (compaction_failed(__result)) ? COMPACTION_FAILED : \ - (compaction_withdrawn(__result)) ? COMPACTION_WITHDRAWN : COMPACTION_PROGRESS; \ + (__result == COMPACT_COMPLETE) ? COMPACTION_FAILED : \ + (__result == COMPACT_SUCCESS) ? COMPACTION_PROGRESS : COMPACTION_WITHDRAWN; \ }) #define COMPACTION_FEEDBACK \ |