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authorKemeng Shi <shikemeng@huawei.com>2023-08-03 12:48:59 +0300
committerAndrew Morton <akpm@linux-foundation.org>2023-08-21 23:37:39 +0300
commita2864a67452ec6e378e57cbe151aad62ccdcc03f (patch)
treee5bb4b7951679cf9e9f9654090036dbf17a2d58a /mm/compaction.c
parent16951789008dc0029b1e073fb1c20c1abb4c6504 (diff)
downloadlinux-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.c5
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;