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| author |   Alexander Gordeev <agordeev@linux.ibm.com> | 2022-05-26 07:57:36 +0200 |
|---|---|---|
| committer | Alexander Gordeev <agordeev@linux.ibm.com> | 2022-07-28 18:05:23 +0200 |
| commit | 57ad19bcdefb1c65b0a90330b7b29ce658ef1a76 (patch) | |
| tree | 9b0a352189585a61679366949595027dc6ad9dd8 /arch/s390/boot/startup.c | |
| parent | s390/smp: enforce lowcore protection on CPU restart (diff) | |
| download | linux-dev-57ad19bcdefb1c65b0a90330b7b29ce658ef1a76.tar.xz linux-dev-57ad19bcdefb1c65b0a90330b7b29ce658ef1a76.zip | |
s390/boot: cleanup adjust_to_uv_max() function
Uncouple input and output arguments by making the latter
the function return value.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Diffstat (limited to 'arch/s390/boot/startup.c')
| -rw-r--r-- | arch/s390/boot/startup.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c index 863e6bcaa5a1..bc48fe82d949 100644 --- a/arch/s390/boot/startup.c +++ b/arch/s390/boot/startup.c @@ -152,6 +152,7 @@ static void setup_kernel_memory_layout(void) unsigned long vmemmap_start; unsigned long rte_size; unsigned long pages; + unsigned long vmax; pages = ident_map_size / PAGE_SIZE; /* vmemmap contains a multiple of PAGES_PER_SECTION struct pages */ @@ -163,10 +164,10 @@ static void setup_kernel_memory_layout(void) vmalloc_size > _REGION2_SIZE || vmemmap_start + vmemmap_size + vmalloc_size + MODULES_LEN > _REGION2_SIZE) { - MODULES_END = _REGION1_SIZE; + vmax = _REGION1_SIZE; rte_size = _REGION2_SIZE; } else { - MODULES_END = _REGION2_SIZE; + vmax = _REGION2_SIZE; rte_size = _REGION3_SIZE; } /* @@ -174,11 +175,12 @@ static void setup_kernel_memory_layout(void) * secure storage limit, so that any vmalloc allocation * we do could be used to back secure guest storage. */ - adjust_to_uv_max(&MODULES_END); + vmax = adjust_to_uv_max(vmax); #ifdef CONFIG_KASAN /* force vmalloc and modules below kasan shadow */ - MODULES_END = min(MODULES_END, KASAN_SHADOW_START); + vmax = min(vmax, KASAN_SHADOW_START); #endif + MODULES_END = vmax; MODULES_VADDR = MODULES_END - MODULES_LEN; VMALLOC_END = MODULES_VADDR; |