For the series: Reviewed-by: William Kucharski <william.kucharski@xxxxxxxxxx> > On May 31, 2022, at 9:06 AM, Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> wrote: > > We already have the ability to freeze a page (safely reduce its > reference count to 0). Some users (eg slab) would prefer to be able > to allocate frozen pages and avoid touching the refcount. It also > avoids spurious temporary refcounts being taken on these pages. > > Matthew Wilcox (Oracle) (6): > mm/page_alloc: Remove zone parameter from free_one_page() > mm/page_alloc: Rename free_the_page() to free_frozen_pages() > mm/page_alloc: Export free_frozen_pages() instead of free_unref_page() > mm/page_alloc: Add alloc_frozen_pages() > slab: Allocate frozen pages > slub: Allocate frozen pages > > mm/internal.h | 15 ++++++++++-- > mm/mempolicy.c | 61 ++++++++++++++++++++++++++++++------------------- > mm/page_alloc.c | 59 +++++++++++++++++++++++++++-------------------- > mm/slab.c | 23 +++++++++---------- > mm/slub.c | 26 ++++++++++----------- > mm/swap.c | 2 +- > 6 files changed, 110 insertions(+), 76 deletions(-) > > -- > 2.34.1 > >
