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-rw-r--r--mm/page_alloc.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 0c7252ed14a0..3d7de8a96143 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -8956,16 +8956,6 @@ void *__init alloc_large_system_hash(const char *tablename,
}
#ifdef CONFIG_CONTIG_ALLOC
-static unsigned long pfn_max_align_down(unsigned long pfn)
-{
- return ALIGN_DOWN(pfn, MAX_ORDER_NR_PAGES);
-}
-
-static unsigned long pfn_max_align_up(unsigned long pfn)
-{
- return ALIGN(pfn, MAX_ORDER_NR_PAGES);
-}
-
#if defined(CONFIG_DYNAMIC_DEBUG) || \
(defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))
/* Usage: See admin-guide/dynamic-debug-howto.rst */
@@ -9107,8 +9097,7 @@ int alloc_contig_range(unsigned long start, unsigned long end,
* put back to page allocator so that buddy can use them.
*/
- ret = start_isolate_page_range(pfn_max_align_down(start),
- pfn_max_align_up(end), migratetype, 0, gfp_mask);
+ ret = start_isolate_page_range(start, end, migratetype, 0, gfp_mask);
if (ret)
goto done;
@@ -9189,8 +9178,7 @@ int alloc_contig_range(unsigned long start, unsigned long end,
free_contig_range(end, outer_end - end);
done:
- undo_isolate_page_range(pfn_max_align_down(start),
- pfn_max_align_up(end), migratetype);
+ undo_isolate_page_range(start, end, migratetype);
return ret;
}
EXPORT_SYMBOL(alloc_contig_range);