On 8/23/18 2:25 PM, Masayoshi Mizuma wrote: > From: Masayoshi Mizuma <[email protected]> > > commit 124049decbb1 ("x86/e820: put !E820_TYPE_RAM regions into > memblock.reserved") breaks movable_node kernel option because it > changed the memory gap range to reserved memblock. So, the node > is marked as Normal zone even if the SRAT has Hot plaggable affinity. > > ===================================================================== > kernel: BIOS-e820: [mem 0x0000180000000000-0x0000180fffffffff] usable > kernel: BIOS-e820: [mem 0x00001c0000000000-0x00001c0fffffffff] usable > ... > kernel: reserved[0x12]#011[0x0000181000000000-0x00001bffffffffff], > 0x000003f000000000 bytes flags: 0x0 > ... > kernel: ACPI: SRAT: Node 2 PXM 6 [mem 0x180000000000-0x1bffffffffff] > hotplug > kernel: ACPI: SRAT: Node 3 PXM 7 [mem 0x1c0000000000-0x1fffffffffff] > hotplug > ... > kernel: Movable zone start for each node > kernel: Node 3: 0x00001c0000000000 > kernel: Early memory node ranges > ... > ===================================================================== > > Naoya's v1 patch [*] fixes the original issue and this movable_node > issue doesn't occur. > Let's revert commit 124049decbb1 ("x86/e820: put !E820_TYPE_RAM > regions into memblock.reserved") and apply the v1 patch. > > [*] https://lkml.org/lkml/2018/6/13/27 > > Signed-off-by: Masayoshi Mizuma <[email protected]>
Reviewed-by: Pavel Tatashin <[email protected]>
