On Mon 11-05-26 16:05:28, David Hildenbrand wrote:
> We want to remove CONFIG_HAVE_BOOTMEM_INFO_NODE. As a first step,
> let's limit the remaining harm to x86 and core code, removing
> sparc, ppc and s390 leftovers, starting the stepwise removal by removing
> and simplifying some code.
>
> Once a related x86 vmemmap fix [1] is in, we can merge part 2 that will
> remove CONFIG_HAVE_BOOTMEM_INFO_NODE entirely.
>
> Tested on x86-64 with hugetlb vmemmap optimization in combination with
> KMEMLEAK, making sure that the problem reported in dd0ff4d12dd2 ("bootmem:
> remove the vmemmap pages from kmemleak in put_page_bootmem") does not
> reappear -- hoping I managed to trigger the original problem.
>
> Heavily cross-compiled, but let's let build bots run on it for a bit.
>
> [1] https://lore.kernel.org/r/[email protected]
>
> Signed-off-by: David Hildenbrand (Arm) <[email protected]>
> ---
> David Hildenbrand (Arm) (8):
> sparc/mm: remove register_page_bootmem_info()
> mm/bootmem_info: drop initialization of page->lru
> mm/bootmem_info: stop using PG_private
> mm/bootmem_info: remove call to kmemleak_free_part_phys()
> mm/bootmem_info: stop marking the pgdat as NODE_INFO
> mm/bootmem_info: stop marking mem_section_usage as MIX_SECTION_INFO
> s390/mm: use free_reserved_page() in vmem_free_pages()
> powerpc/mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE
>
> arch/powerpc/mm/init_64.c | 8 --------
> arch/s390/mm/vmem.c | 3 +--
> arch/sparc/mm/init_64.c | 20 --------------------
> include/linux/bootmem_info.h | 1 -
> mm/Kconfig | 2 +-
> mm/bootmem_info.c | 25 ++-----------------------
> 6 files changed, 4 insertions(+), 55 deletions(-)
Good clean up. Feel free to add
Acked-by: Michal Hocko <[email protected]>
to all patches but kmemleak one which I do not feel qualified to judge.
Thanks!
--
Michal Hocko
SUSE Labs
