diff options
| author | Vasily Gorbik <gor@linux.ibm.com> | 2023-01-28 23:55:04 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-02-06 11:13:54 +0100 |
| commit | bf64f0517e5d0d8f3248143fc49535c1d1594b4f (patch) | |
| tree | ccfc742dbf1f7d39fd3dbc308bcae23f938040ed /arch/s390/mm | |
| parent | s390/boot: fix mem_detect extended area allocation (diff) | |
| download | linux-bf64f0517e5d0d8f3248143fc49535c1d1594b4f.tar.xz linux-bf64f0517e5d0d8f3248143fc49535c1d1594b4f.zip | |
s390/mem_detect: handle online memory limit just once
Introduce mem_detect_truncate() to cut any online memory ranges above
established identity mapping size, so that mem_detect users wouldn't
have to do it over and over again.
Suggested-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/mm')
| -rw-r--r-- | arch/s390/mm/kasan_init.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/s390/mm/kasan_init.c b/arch/s390/mm/kasan_init.c index 9d4f3138b0e7..1aaea718af73 100644 --- a/arch/s390/mm/kasan_init.c +++ b/arch/s390/mm/kasan_init.c @@ -247,8 +247,6 @@ void __init kasan_early_init(void) * The rest [memsize, ident_map_size] if memsize < ident_map_size * could be mapped/unmapped dynamically later during memory hotplug. */ - memsize = min(memsize, ident_map_size); - BUILD_BUG_ON(!IS_ALIGNED(KASAN_SHADOW_START, P4D_SIZE)); BUILD_BUG_ON(!IS_ALIGNED(KASAN_SHADOW_END, P4D_SIZE)); |