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authorZi Yan <ziy@nvidia.com>2025-06-16 22:11:13 -0400
committerAndrew Morton <akpm@linux-foundation.org>2025-07-13 16:38:18 -0700
commit7a3324eb66f616408fdaaff8a1289c0a9b333748 (patch)
tree7eddad984142b66f2c02c9b4641c2e9a5647fc67 /mm/page_isolation.c
parentmm/page_isolation: remove migratetype from move_freepages_block_isolate() (diff)
downloadlinux-7a3324eb66f616408fdaaff8a1289c0a9b333748.tar.gz
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mm/page_isolation: remove migratetype from undo_isolate_page_range()
Since migratetype is no longer overwritten during pageblock isolation, undoing pageblock isolation no longer needs which migratetype to restore. Link: https://lkml.kernel.org/r/20250617021115.2331563-6-ziy@nvidia.com Signed-off-by: Zi Yan <ziy@nvidia.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Brendan Jackman <jackmanb@google.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Kirill A. Shuemov <kirill.shutemov@linux.intel.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Michal Hocko <mhocko@suse.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Richard Chang <richardycc@google.com> Cc: Suren Baghdasaryan <surenb@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/page_isolation.c')
-rw-r--r--mm/page_isolation.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index 08f627a5032f..1edfef408faf 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -515,7 +515,7 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
page = __first_valid_page(pfn, pageblock_nr_pages);
if (page && set_migratetype_isolate(page, migratetype, flags,
start_pfn, end_pfn)) {
- undo_isolate_page_range(isolate_start, pfn, migratetype);
+ undo_isolate_page_range(isolate_start, pfn);
unset_migratetype_isolate(
pfn_to_page(isolate_end - pageblock_nr_pages));
return -EBUSY;
@@ -528,13 +528,10 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
* undo_isolate_page_range - undo effects of start_isolate_page_range()
* @start_pfn: The first PFN of the isolated range
* @end_pfn: The last PFN of the isolated range
- * @migratetype: New migrate type to set on the range
*
- * This finds every MIGRATE_ISOLATE page block in the given range
- * and switches it to @migratetype.
+ * This finds and unsets every MIGRATE_ISOLATE page block in the given range
*/
-void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
- int migratetype)
+void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn)
{
unsigned long pfn;
struct page *page;