On 08/14/2017 07:43 AM, Michal Hocko wrote:
register_page_bootmem_info
register_page_bootmem_info_node
get_page_bootmem
.. setting fields here ..
such as: page->freelist = (void *)type;
free_all_bootmem()
free_low_memory_core_early()
for_each_reserved_mem_region()
reserve
On Fri 11-08-17 11:39:41, Pasha Tatashin wrote:
> >AFAIU register_page_bootmem_info_node is only about struct pages backing
> >pgdat, usemap and memmap. Those should be in reserved memblocks and we
> >do not initialize those at later times, they are not relevant to the
> >deferred initialization as
AFAIU register_page_bootmem_info_node is only about struct pages backing
pgdat, usemap and memmap. Those should be in reserved memblocks and we
do not initialize those at later times, they are not relevant to the
deferred initialization as your changelog suggests so the ordering with
get_page_boot
[CC Mel - the full series is here
http://lkml.kernel.org/r/1502138329-123460-1-git-send-email-pasha.tatas...@oracle.com]
On Mon 07-08-17 16:38:36, Pavel Tatashin wrote:
> Without deferred struct page feature (CONFIG_DEFERRED_STRUCT_PAGE_INIT),
> flags and other fields in "struct page"es are never
Without deferred struct page feature (CONFIG_DEFERRED_STRUCT_PAGE_INIT),
flags and other fields in "struct page"es are never changed prior to first
initializing struct pages by going through __init_single_page().
With deferred struct page feature enabled there is a case where we set some
fields pr
