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author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-01-18 15:01:28 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-01-18 15:01:28 -0800 |
commit | e7ded27593bf0aff08d18258251e3de0a2697f47 (patch) | |
tree | 183225b3019d1e2db5bb34c670d5e8b0e9c6ea4f /arch/riscv/mm/kasan_init.c | |
parent | Merge tag 'eventfs-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace (diff) | |
parent | riscv: Enable pcpu page first chunk allocator (diff) | |
download | wireguard-linux-e7ded27593bf0aff08d18258251e3de0a2697f47.tar.xz wireguard-linux-e7ded27593bf0aff08d18258251e3de0a2697f47.zip |
Merge tag 'percpu-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
Pull percpu updates from Dennis Zhou:
"Enable percpu page allocator for RISC-V.
There are RISC-V configurations with sparse NUMA configurations and
small vmalloc space causing dynamic percpu allocations to fail as the
backing chunk stride is too far apart"
* tag 'percpu-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
riscv: Enable pcpu page first chunk allocator
mm: Introduce flush_cache_vmap_early()
Diffstat (limited to 'arch/riscv/mm/kasan_init.c')
-rw-r--r-- | arch/riscv/mm/kasan_init.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c index e96251853037..c301c8d291d2 100644 --- a/arch/riscv/mm/kasan_init.c +++ b/arch/riscv/mm/kasan_init.c @@ -441,6 +441,14 @@ static void __init kasan_shallow_populate(void *start, void *end) kasan_shallow_populate_pgd(vaddr, vend); } +#ifdef CONFIG_KASAN_VMALLOC +void __init kasan_populate_early_vm_area_shadow(void *start, unsigned long size) +{ + kasan_populate(kasan_mem_to_shadow(start), + kasan_mem_to_shadow(start + size)); +} +#endif + static void __init create_tmp_mapping(void) { void *ptr; |