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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Sep 2025 08:47:12.6769 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1b976d57-1d48-46aa-1640-08ddef7d787e X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF00000042.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS2PR08MB8904 On 09/09/25 1:18 pm, Hu Song wrote: > Use folio_nr_pages() helper instead of manual calculation (1 << order) > for better code readability and maintainability. > > Signed-off-by: Hu Song > --- > mm/slub.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/slub.c b/mm/slub.c > index d257141896c9..eba25461641a 100644 > --- a/mm/slub.c > +++ b/mm/slub.c > @@ -2719,7 +2719,7 @@ static void __free_slab(struct kmem_cache *s, struct slab *slab) > { > struct folio *folio = slab_folio(slab); > int order = folio_order(folio); > - int pages = 1 << order; > + int pages = folio_nr_pages(folio); > > __slab_clear_pfmemalloc(slab); > folio->mapping = NULL; I don't know, the current version is more readable to me. We literally compute the order before, so we do a simple 1 << order. I'll leave it to the rest.