diff options
| author | Kemeng Shi <shikemeng@huaweicloud.com> | 2023-08-03 17:48:58 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-21 13:37:39 -0700 |
| commit | 16951789008dc0029b1e073fb1c20c1abb4c6504 (patch) | |
| tree | 8f38ac72850b98c7e031d5957dee962b9a92b8ac /mm/compaction.c | |
| parent | 3a1060c2615874bd4d66d72dfdabbc48496ef040 (diff) | |
| download | lwn-16951789008dc0029b1e073fb1c20c1abb4c6504.tar.gz lwn-16951789008dc0029b1e073fb1c20c1abb4c6504.zip | |
mm/compaction: set compact_cached_free_pfn correctly in update_pageblock_skip
Patch series "Fixes and cleanups to compaction", v2.
This series contains random fixes and cleanups to free page isolation in
compaction. This is based on another compact series[1]. More details can
be found in respective patches.
This patch (of 4):
We will set skip to page block of block_start_pfn, it's more reasonable to
set compact_cached_free_pfn to page block before the block_start_pfn.
Link: https://lkml.kernel.org/r/20230803094901.2915942-1-shikemeng@huaweicloud.com
Link: https://lkml.kernel.org/r/20230803094901.2915942-2-shikemeng@huaweicloud.com
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Kemeng Shi <shikemeng@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/compaction.c')
| -rw-r--r-- | mm/compaction.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index c4d3a3129fd5..6e0c7456026b 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1717,7 +1717,8 @@ static void isolate_freepages(struct compact_control *cc) /* Update the skip hint if the full pageblock was scanned */ if (isolate_start_pfn == block_end_pfn) - update_pageblock_skip(cc, page, block_start_pfn); + update_pageblock_skip(cc, page, block_start_pfn - + pageblock_nr_pages); /* Are enough freepages isolated? */ if (cc->nr_freepages >= cc->nr_migratepages) { |