mm/page_alloc: drop a misleading __always_inline

get_pfnblock_migratetype() is called from outside page_alloc.c, so it
cannot always be inlined.  Remove the annotation to avoid misleading
readers.

At least in my minimal config, with GCC, this doesn't change
mm/page_alloc.o at all.

Link: https://lore.kernel.org/all/20260517-b4-drop-always-inline-v1-1-97b90930e8b8@google.com/
Signed-off-by: Brendan Jackman <jackmanb@google.com>
Suggested-by: Vlastimil Babka <vbabka@kernel.org>
Link: https://lore.kernel.org/all/016c8bef-57ef-44ef-bf60-86dbfd368dcd@kernel.org/
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Vishal Moola <vishal.moola@gmail.com>
Reviewed-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index dc09a25203138d3cf9455cee2111929df7878c64..d7b7f9504bd81ddde4ff3b2f7fe2f69669fd1e54 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -434,7 +434,7 @@ bool get_pfnblock_bit(const struct page *page, unsigned long pfn,
  * Use get_pfnblock_migratetype() if caller already has both @page and @pfn
  * to save a call to page_to_pfn().
  */
-__always_inline enum migratetype
+enum migratetype
 get_pfnblock_migratetype(const struct page *page, unsigned long pfn)
 {
        unsigned long mask = PAGEBLOCK_MIGRATETYPE_MASK | PAGEBLOCK_ISO_MASK;