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0da90af431
linux/arch/powerpc
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Aneesh Kumar K.V 0da90af431 powerpc/book3s64/mm: Fix DirectMap stats in /proc/meminfo 
On memory unplug reduce DirectMap page count correctly.
root@ubuntu-guest:# grep Direct /proc/meminfo
DirectMap4k:           0 kB
DirectMap64k:           0 kB
DirectMap2M:    115343360 kB
DirectMap1G:           0 kB

Before fix:
root@ubuntu-guest:# ndctl disable-namespace all
disabled 1 namespace
root@ubuntu-guest:# grep Direct /proc/meminfo
DirectMap4k:           0 kB
DirectMap64k:           0 kB
DirectMap2M:    115343360 kB
DirectMap1G:           0 kB

After fix:
root@ubuntu-guest:# ndctl disable-namespace all
disabled 1 namespace
root@ubuntu-guest:# grep Direct /proc/meminfo
DirectMap4k:           0 kB
DirectMap64k:           0 kB
DirectMap2M:    104857600 kB
DirectMap1G:           0 kB

Fixes: a2dc009afa ("powerpc/mm/book3s/radix: Add mapping statistics")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Tested-by: Sachin Sant <sachinp@linux.ibm.com <mailto:sachinp@linux.ibm.com>>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230616110826.344417-4-aneesh.kumar@linux.ibm.com
2023-06-21 14:08:53 +10:00
..
boot powerpc/build: Remove -pipe from compilation flags 2023-06-14 12:46:42 +10:00
configs powerpc updates for 6.4 2023-04-28 16:24:32 -07:00
crypto powerpc/crypto: Fix aes-gcm-p10 link errors 2023-05-30 15:50:32 +10:00
include powerpc/ptrace: Expose HASHKEYR register to ptrace 2023-06-19 17:36:27 +10:00
kernel powerpc: update ppc_save_regs to save current r1 in pt_regs 2023-06-19 17:37:14 +10:00
kexec powerpc/kexec_file: print error string on usable memory property update failure 2023-02-15 23:14:06 +11:00
kvm s390: 2023-05-01 12:06:20 -07:00
lib powerpc/64: vmlinux support building with PCREL addresing 2023-04-20 12:59:21 +10:00
math-emu
mm powerpc/book3s64/mm: Fix DirectMap stats in /proc/meminfo 2023-06-21 14:08:53 +10:00
net powerpc/bpf: populate extable entries only during the last pass 2023-05-15 15:40:31 +10:00
perf powerpc/perf: Properly detect mpc7450 family 2023-03-30 23:35:43 +11:00
platforms powerpc/powernv/sriov: perform null check on iov before dereferencing iov 2023-06-19 17:37:13 +10:00
purgatory powerpc/kcsan: Add exclusions from instrumentation 2023-02-10 22:19:56 +11:00
sysdev powerpc updates for 6.4 2023-04-28 16:24:32 -07:00
tools powerpc/64: Use -mprofile-kernel for big endian ELFv2 kernels 2023-06-14 12:46:42 +10:00
xmon powerpc/xmon: Use KSYM_NAME_LEN in array size 2023-05-30 16:46:56 +10:00
Kbuild
Kconfig powerpc/ftrace: Disable ftrace on ppc32 if using clang 2023-06-19 17:37:13 +10:00
Kconfig.debug powerpc: Add support for early debugging via Serial 16550 console 2022-09-28 19:22:09 +10:00
Makefile powerpc/build: Remove -pipe from compilation flags 2023-06-14 12:46:42 +10:00
Makefile.postlink kbuild: remove --include-dir MAKEFLAG from top Makefile 2023-02-05 18:51:22 +09:00