[PATCH v1 2/6] mm/page_isolation: don't pass gfp flags to start_isolate_page_range()

David Hildenbrand david at redhat.com
Mon Dec 2 23:58:08 AEDT 2024


The parameter is unused, so let's stop passing it.

Signed-off-by: David Hildenbrand <david at redhat.com>
---
 include/linux/page-isolation.h | 2 +-
 mm/memory_hotplug.c            | 3 +--
 mm/page_alloc.c                | 2 +-
 mm/page_isolation.c            | 4 +---
 4 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h
index 73dc2c1841ec..898bb788243b 100644
--- a/include/linux/page-isolation.h
+++ b/include/linux/page-isolation.h
@@ -31,7 +31,7 @@ bool move_freepages_block_isolate(struct zone *zone, struct page *page,
 				  int migratetype);
 
 int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
-			     int migratetype, int flags, gfp_t gfp_flags);
+			     int migratetype, int flags);
 
 void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
 			     int migratetype);
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index c43b4e7fb298..9b184ba064a0 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1992,8 +1992,7 @@ int offline_pages(unsigned long start_pfn, unsigned long nr_pages,
 	/* set above range as isolated */
 	ret = start_isolate_page_range(start_pfn, end_pfn,
 				       MIGRATE_MOVABLE,
-				       MEMORY_OFFLINE | REPORT_FAILURE,
-				       GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL);
+				       MEMORY_OFFLINE | REPORT_FAILURE);
 	if (ret) {
 		reason = "failure to isolate range";
 		goto failed_removal_pcplists_disabled;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index cc3296cf8c95..f371fbf2145b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6451,7 +6451,7 @@ int alloc_contig_range_noprof(unsigned long start, unsigned long end,
 	 * put back to page allocator so that buddy can use them.
 	 */
 
-	ret = start_isolate_page_range(start, end, migratetype, 0, gfp_mask);
+	ret = start_isolate_page_range(start, end, migratetype, 0);
 	if (ret)
 		goto done;
 
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index e680d40d96de..c608e9d72865 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -442,8 +442,6 @@ static int isolate_single_pageblock(unsigned long boundary_pfn, int flags,
  *					 and PageOffline() pages.
  *			REPORT_FAILURE - report details about the failure to
  *			isolate the range
- * @gfp_flags:		GFP flags used for migrating pages that sit across the
- *			range boundaries.
  *
  * Making page-allocation-type to be MIGRATE_ISOLATE means free pages in
  * the range will never be allocated. Any free pages and pages freed in the
@@ -476,7 +474,7 @@ static int isolate_single_pageblock(unsigned long boundary_pfn, int flags,
  * Return: 0 on success and -EBUSY if any part of range cannot be isolated.
  */
 int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
-			     int migratetype, int flags, gfp_t gfp_flags)
+			     int migratetype, int flags)
 {
 	unsigned long pfn;
 	struct page *page;
-- 
2.47.1



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