iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
1a33aee1dc
linux/arch/s390/mm
History
Heiko Carstens 81e8479649 s390/mm: fix direct map accounting 
Commit bb1520d581 ("s390/mm: start kernel with DAT enabled") did not
implement direct map accounting in the early page table setup code. In
result the reported values are bogus now:

$cat /proc/meminfo
...
DirectMap4k:        5120 kB
DirectMap1M:    18446744073709546496 kB
DirectMap2G:           0 kB

Fix this by adding the missing accounting. The result looks sane again:

$cat /proc/meminfo
...
DirectMap4k:        6156 kB
DirectMap1M:     2091008 kB
DirectMap2G:     6291456 kB

Fixes: bb1520d581 ("s390/mm: start kernel with DAT enabled")
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2023-04-13 17:36:28 +02:00
..
cmm.c s390: simplify one level sysctl registration for cmm_table 2023-03-20 10:56:49 +01:00
dump_pagetables.c s390/mm,ptdump: avoid Kasan vs Memcpy Real markers swapping 2023-01-31 18:56:36 +01:00
extable.c s390/extable: add EX_TABLE_UA_LOAD_REGPAIR() macro 2022-11-21 13:36:15 +01:00
extmem.c s390/extmem: return correct segment type in __segment_load() 2023-03-01 20:01:34 +01:00
fault.c s390/kfence: fix page fault reporting 2023-02-15 11:07:01 +01:00
gmap.c mm: replace vma->vm_flags indirect modification in ksm_madvise 2023-02-09 16:51:39 -08:00
hugetlbpage.c s390/hugetlb: switch to generic version of follow_huge_pud() 2022-09-11 20:26:01 -07:00
init.c s390/mm: use set_memory_*() helpers instead of open coding 2023-04-13 17:36:26 +02:00
maccess.c s390/mm: allocate Absolute Lowcore Area in decompressor 2023-01-13 14:15:06 +01:00
Makefile s390/kasan: move shadow mapping to decompressor 2023-03-20 11:02:51 +01:00
mmap.c treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
page-states.c s390/mm: remove unused get_page_state() function 2022-11-23 16:24:07 +01:00
pageattr.c s390/mm: fix direct map accounting 2023-04-13 17:36:28 +02:00
pgalloc.c s390/mm: make use of atomic_fetch_xor() 2023-03-20 11:12:49 +01:00
pgtable.c s390/mm: add support for RDP (Reset DAT-Protection) 2023-02-14 11:45:39 +01:00
vmem.c s390/mm: use set_memory_*() helpers instead of open coding 2023-04-13 17:36:26 +02:00