On 27.04.20 20:44, Sven Hartge wrote:
Marco Möller <talby@debianlists.mobilxpress.net> wrote:total used free shared buff/cache available Mem: 7980 2355 3335 149 2289 5190 Swap: 7819 0 7819Demnach würde das PCI I/O (und Shared Memory) auf dem HP Elitebook (mit 8 GB RAM) also gar nichts vom RAM abzwacken, während auf dem Samsung P560 (mit 4 GB RAM) recht viel abgezwackt wird.Das kann man mit den obigen Angabe nicht sagen. Es kann auch einfach sein, dass auf dem System das Remapping korrekt funktioniert. Wie sieht denn dort die E820-Memory-Map aus?
sudo journalctl -b | grep e820Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x0000000000000000-0x000000000009ebff] usable Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x000000000009ec00-0x000000000009ffff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x0000000000100000-0x00000000beebdfff] usable Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000beebe000-0x00000000bf6bdfff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000bf6be000-0x00000000bf7bdfff] ACPI NVS Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000bf7be000-0x00000000bf7fefff] ACPI data Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000bf7ff000-0x00000000bf7fffff] usable Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000bf800000-0x00000000bfffffff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000fed10000-0x00000000fed13fff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000fed18000-0x00000000fed19fff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x00000000ffd00000-0x00000000ffffffff] reserved Apr 27 19:17:54 NOTCH kernel: BIOS-e820: [mem 0x0000000100000000-0x000000023dffffff] usable Apr 27 19:17:54 NOTCH kernel: e820: update [mem 0x00000000-0x00000fff] usable ==> reserved Apr 27 19:17:54 NOTCH kernel: e820: remove [mem 0x000a0000-0x000fffff] usable Apr 27 19:17:54 NOTCH kernel: e820: reserve RAM buffer [mem 0x0009ec00-0x0009ffff] Apr 27 19:17:54 NOTCH kernel: e820: reserve RAM buffer [mem 0xbeebe000-0xbfffffff] Apr 27 19:17:54 NOTCH kernel: e820: reserve RAM buffer [mem 0xbf800000-0xbfffffff] Apr 27 19:17:54 NOTCH kernel: e820: reserve RAM buffer [mem 0x23e000000-0x23fffffff]