* + mm-compaction-change-fast_isolate_freepages-to-void-type.patch added to mm-unstable branch
@ 2023-05-25 19:53 Andrew Morton
0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2023-05-25 19:53 UTC (permalink / raw
To: mm-commits, vbabka, mgorman, baolin.wang, akpm
The patch titled
Subject: mm: compaction: change fast_isolate_freepages() to void type
has been added to the -mm mm-unstable branch. Its filename is
mm-compaction-change-fast_isolate_freepages-to-void-type.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-compaction-change-fast_isolate_freepages-to-void-type.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Baolin Wang <baolin.wang@linux.alibaba.com>
Subject: mm: compaction: change fast_isolate_freepages() to void type
Date: Thu, 25 May 2023 20:53:57 +0800
No caller cares about the return value of fast_isolate_freepages(), void
it.
Link: https://lkml.kernel.org/r/759fca20b22ebf4c81afa30496837b9e0fb2e53b.1685018752.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/compaction.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
--- a/mm/compaction.c~mm-compaction-change-fast_isolate_freepages-to-void-type
+++ a/mm/compaction.c
@@ -1443,8 +1443,7 @@ static int next_search_order(struct comp
return order;
}
-static unsigned long
-fast_isolate_freepages(struct compact_control *cc)
+static void fast_isolate_freepages(struct compact_control *cc)
{
unsigned int limit = max(1U, freelist_scan_limit(cc) >> 1);
unsigned int nr_scanned = 0;
@@ -1457,7 +1456,7 @@ fast_isolate_freepages(struct compact_co
/* Full compaction passes in a negative order */
if (cc->order <= 0)
- return cc->free_pfn;
+ return;
/*
* If starting the scan, use a deeper search and use the highest
@@ -1596,11 +1595,10 @@ fast_isolate_freepages(struct compact_co
cc->total_free_scanned += nr_scanned;
if (!page)
- return cc->free_pfn;
+ return;
low_pfn = page_to_pfn(page);
fast_isolate_around(cc, low_pfn);
- return low_pfn;
}
/*
_
Patches currently in -mm which might be from baolin.wang@linux.alibaba.com are
mm-page_alloc-drop-the-unnecessary-pfn_valid-for-start-pfn.patch
mm-compaction-drop-the-redundant-page-validation-in-update_pageblock_skip.patch
mm-compaction-change-fast_isolate_freepages-to-void-type.patch
mm-compaction-skip-more-fully-scanned-pageblock.patch
mm-compaction-only-set-skip-flag-if-cc-no_set_skip_hint-is-false.patch
mm-compaction-add-trace-event-for-fast-freepages-isolation.patch
mm-compaction-skip-fast-freepages-isolation-if-enough-freepages-are-isolated.patch
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