From: Yu Zhao <yuzhao@xxxxxxxxxx> Subject: mm/slub.c: update comments Slub doesn't use PG_active and PG_error anymore. Link: http://lkml.kernel.org/r/20191007222023.162256-1-yuzhao@xxxxxxxxxx Signed-off-by: Yu Zhao <yuzhao@xxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx> Cc: Christoph Lameter <cl@xxxxxxxxx> Cc: Pekka Enberg <penberg@xxxxxxxxxx> Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/slub.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/mm/slub.c~mm-update-comments-in-slubc +++ a/mm/slub.c @@ -93,9 +93,7 @@ * minimal so we rely on the page allocators per cpu caches for * fast frees and allocs. * - * Overloading of page flags that are otherwise used for LRU management. - * - * PageActive The slab is frozen and exempt from list processing. + * page->frozen The slab is frozen and exempt from list processing. * This means that the slab is dedicated to a purpose * such as satisfying allocations for a specific * processor. Objects may be freed in the slab while @@ -111,7 +109,7 @@ * free objects in addition to the regular freelist * that requires the slab lock. * - * PageError Slab requires special handling due to debug + * SLAB_DEBUG_FLAGS Slab requires special handling due to debug * options set. This moves slab handling out of * the fast path and disables lockless freelists. */ _
