Re: [PATCH 3/8] mm/bootmem_info: stop using PG_private
Mike Rapoport <[email protected]>
| Newsgroups | gmane.linux.ports.ppc.embedded,gmane.linux.ports.sparc,gmane.linux.kernel,gmane.linux.kernel.mm |
|---|---|
| Message-ID | <[email protected]> |
On Mon, May 11, 2026 at 04:05:31PM +0200, David Hildenbrand (Arm) wrote: > Nobody checks PG_private for these pages, and we can happily use > set_page_private() without setting PG_private. So let's just stop > setting/clearing PG_private. > > Signed-off-by: David Hildenbrand (Arm) <[email protected]> Reviewed-by: Mike Rapoport (Microsoft) <[email protected]> > --- > mm/bootmem_info.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/mm/bootmem_info.c b/mm/bootmem_info.c > index a0a1ecdec8d0..6e2aaab3dca9 100644 > --- a/mm/bootmem_info.c > +++ b/mm/bootmem_info.c > @@ -19,7 +19,6 @@ void get_page_bootmem(unsigned long info, struct page *page, > { > BUG_ON(type > 0xf); > BUG_ON(info > (ULONG_MAX >> 4)); > - SetPagePrivate(page); > set_page_private(page, info << 4 | type); > page_ref_inc(page); > } > @@ -32,7 +31,6 @@ void put_page_bootmem(struct page *page) > type > MEMORY_HOTPLUG_MAX_BOOTMEM_TYPE); > > if (page_ref_dec_return(page) == 1) { > - ClearPagePrivate(page); > set_page_private(page, 0); > kmemleak_free_part_phys(PFN_PHYS(page_to_pfn(page)), PAGE_SIZE); > free_reserved_page(page); > > -- > 2.43.0 > -- Sincerely yours, Mike.