diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2025-09-10 15:29:19 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-21 14:22:32 -0700 |
| commit | 9d003dec972563efb8ce14c9962af3652d0e201d (patch) | |
| tree | 4f311595582dd03f3f0345ab6ee46828513f368e /include/linux | |
| parent | 6fd893a40e3c990ea4ca3a9c084d1ddc3020d936 (diff) | |
mm: remove page->order
We already use page->private for storing the order of a page while it's in
the buddy allocator system; extend that to also storing the order while
it's in the pcp_llist.
Link: https://lkml.kernel.org/r/20250910142923.2465470-4-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm_types.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index f048dc80646e..6920c816f6c6 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -97,10 +97,7 @@ struct page { /* Or, free page */ struct list_head buddy_list; struct list_head pcp_list; - struct { - struct llist_node pcp_llist; - unsigned int order; - }; + struct llist_node pcp_llist; }; struct address_space *mapping; union { @@ -111,7 +108,8 @@ struct page { * @private: Mapping-private opaque data. * Usually used for buffer_heads if PagePrivate. * Used for swp_entry_t if swapcache flag set. - * Indicates order in the buddy system if PageBuddy. + * Indicates order in the buddy system if PageBuddy + * or on pcp_llist. */ unsigned long private; }; |