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authorMark Rutland2015-12-09 13:44:36 +0100
committerWill Deacon2015-12-10 18:36:08 +0100
commite2c30ee320eb96304896c7ab84499e5bc5e5fb6e (patch)
tree661651347412863d69444aec0b4c8204251e3196 /arch/arm64/mm/mmu.c
parentarm64: don't call C code with el0's fp register (diff)
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arm64: mm: remove pointless PAGE_MASKing
As pgd_offset{,_k} shift the input address by PGDIR_SHIFT, the sub-page bits will always be shifted out. There is no need to apply PAGE_MASK before this. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Jeremy Linton <jeremy.linton@arm.com> Cc: Laura Abbott <labbott@fedoraproject.org> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/mm/mmu.c')
-rw-r--r--arch/arm64/mm/mmu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index bb42ac116a25..c04def90f3e4 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -288,7 +288,7 @@ static void __init create_mapping(phys_addr_t phys, unsigned long virt,
&phys, virt);
return;
}
- __create_mapping(&init_mm, pgd_offset_k(virt & PAGE_MASK), phys, virt,
+ __create_mapping(&init_mm, pgd_offset_k(virt), phys, virt,
size, prot, early_alloc);
}
@@ -309,7 +309,7 @@ static void create_mapping_late(phys_addr_t phys, unsigned long virt,
return;
}
- return __create_mapping(&init_mm, pgd_offset_k(virt & PAGE_MASK),
+ return __create_mapping(&init_mm, pgd_offset_k(virt),
phys, virt, size, prot, late_alloc);
}