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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-07-22 17:32:24 (GMT) |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2016-07-25 16:42:53 (GMT) |
| commit | 258a1605c78878ada00417de4840c4c427673ffa (patch) | |
| tree | 21434fcc1fb582270f60cf405b922b34e9895aaf | |
| parent | a95b0644b38c16c40b753224671b919b9af0b73c (diff) | |
| download | linux-258a1605c78878ada00417de4840c4c427673ffa.tar.xz | |
arm64: mm: make create_mapping_late() non-allocating
The only purpose served by create_mapping_late() is to remap the already
mapped .text and .rodata kernel segments with read-only permissions. Since
we no longer allow block mappings to be split or merged,
create_mapping_late() should not pass an allocation function pointer into
__create_pgd_mapping(). So pass NULL instead.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laura Abbott <labbott@redhat.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| -rw-r--r-- | arch/arm64/mm/mmu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index a96a241..33f36ce 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -312,7 +312,7 @@ static void create_mapping_late(phys_addr_t phys, unsigned long virt, } __create_pgd_mapping(init_mm.pgd, phys, virt, size, prot, - late_pgtable_alloc, !debug_pagealloc_enabled()); + NULL, !debug_pagealloc_enabled()); } static void __init __map_memblock(pgd_t *pgd, phys_addr_t start, phys_addr_t end) |