diff options
| author | Kemeng Shi <shikemeng@huawei.com> | 2023-08-03 12:48:59 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-21 23:37:39 +0300 |
| commit | a2864a67452ec6e378e57cbe151aad62ccdcc03f (patch) | |
| tree | e5bb4b7951679cf9e9f9654090036dbf17a2d58a /mm/compaction.c | |
| parent | 16951789008dc0029b1e073fb1c20c1abb4c6504 (diff) | |
| download | linux-a2864a67452ec6e378e57cbe151aad62ccdcc03f.tar.xz | |
mm/compaction: merge end_pfn boundary check in isolate_freepages_range
Merge the end_pfn boundary check for single page block forward and
multiple page blocks forward to avoid do twice boundary check for multiple
page blocks forward.
Link: https://lkml.kernel.org/r/20230803094901.2915942-3-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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/compaction.c')
| -rw-r--r-- | mm/compaction.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 6e0c7456026b..d32929f39dc4 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -740,8 +740,6 @@ isolate_freepages_range(struct compact_control *cc, /* Protect pfn from changing by isolate_freepages_block */ unsigned long isolate_start_pfn = pfn; - block_end_pfn = min(block_end_pfn, end_pfn); - /* * pfn could pass the block_end_pfn if isolated freepage * is more than pageblock order. In this case, we adjust @@ -750,9 +748,10 @@ isolate_freepages_range(struct compact_control *cc, if (pfn >= block_end_pfn) { block_start_pfn = pageblock_start_pfn(pfn); block_end_pfn = pageblock_end_pfn(pfn); - block_end_pfn = min(block_end_pfn, end_pfn); } + block_end_pfn = min(block_end_pfn, end_pfn); + if (!pageblock_pfn_to_page(block_start_pfn, block_end_pfn, cc->zone)) break; |