This patch series are the fix for movable_node boot option issue which was introduced by commit 124049decbb1 ("x86/e820: put !E820_TYPE_RAM regions into memblock.reserved"). First patch, revert the commit. Second and third patch fix the original issue. Masayoshi Mizuma (1): Revert "x86/e820: put !E820_TYPE_RAM regions into memblock.reserved" Naoya Horiguchi (1): mm: zero remaining unavailable struct pages Pavel Tatashin (1): mm: return zero_resv_unavail optimization arch/x86/kernel/e820.c | 15 +++-------- include/linux/memblock.h | 15 ----------- mm/page_alloc.c | 54 +++++++++++++++++++++++++++------------- 3 files changed, 40 insertions(+), 44 deletions(-) -- 2.18.0