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| author | Alexander Gordeev <agordeev@linux.ibm.com> | 2023-08-04 15:24:28 +0200 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-08-16 15:13:02 +0200 |
| commit | 09cd4ffafb2fbb1a18a88890b13520c501409d99 (patch) | |
| tree | f90b78c8b25a01a2346e81cdf234f2380ffb9c39 /arch/s390/boot | |
| parent | s390/mm: define Real Memory Copy size and mask macros (diff) | |
| download | linux-09cd4ffafb2fbb1a18a88890b13520c501409d99.tar.xz linux-09cd4ffafb2fbb1a18a88890b13520c501409d99.zip | |
s390/boot: account Real Memory Copy and Lowcore areas
Real Memory Copy and (absolute) Lowcore areas are
not accounted when virtual memory layout is set up.
Fixes: 4df29d2b9024 ("s390/smp: rework absolute lowcore access")
Fixes: 2f0e8aae26a2 ("s390/mm: rework memcpy_real() to avoid DAT-off mode")
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/boot')
| -rw-r--r-- | arch/s390/boot/startup.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c index d61428190cdd..a81f92563037 100644 --- a/arch/s390/boot/startup.c +++ b/arch/s390/boot/startup.c @@ -185,7 +185,8 @@ static unsigned long setup_kernel_memory_layout(void) vmemmap_size = SECTION_ALIGN_UP(pages) * sizeof(struct page); /* choose kernel address space layout: 4 or 3 levels. */ - vsize = round_up(ident_map_size, _REGION3_SIZE) + vmemmap_size + MODULES_LEN; + vsize = round_up(ident_map_size, _REGION3_SIZE) + vmemmap_size + + MODULES_LEN + MEMCPY_REAL_SIZE + ABS_LOWCORE_MAP_SIZE; vsize = size_add(vsize, vmalloc_size); if (IS_ENABLED(CONFIG_KASAN) || (vsize > _REGION2_SIZE)) { asce_limit = _REGION1_SIZE; |