[Devel] [PATCH rh7 0/3] mm/page_alloc: fix false positive BUG_ON on uninitialized page structure due to pageblock alignment
Konstantin Khorenko
khorenko at virtuozzo.com
Wed Apr 25 12:32:14 MSK 2018
ms commit b92df1de5d28 ("mm: page_alloc: skip over regions of invalid pfns
where possible") introduced a bug where move_freepages() triggers a
BUG_ON() on uninitialized page structure due to pageblock alignment.
So drop the optimization.
https://jira.sw.ru/browse/PSBM-83746
Ard Biesheuvel (1):
ms/Revert "mm/page_alloc: fix memmap_init_zone pageblock alignment"
Daniel Vacek (2):
ms/mm/page_alloc: fix memmap_init_zone pageblock alignment
ms/Revert "mm: page_alloc: skip over regions of invalid pfns where
possible"
include/linux/memblock.h | 1 -
mm/memblock.c | 28 ----------------------------
mm/page_alloc.c | 15 ++++-----------
3 files changed, 4 insertions(+), 40 deletions(-)
--
2.15.1
More information about the Devel
mailing list