Messages in this thread Patch in this message | | | From | Jeremy Linton <> | Subject | [PATCH 5/7] arm64: Default kernel pages should be contiguous | Date | Wed, 16 Sep 2015 14:03:04 -0500 |
| |
The default page attributes for a PMD being broken should have the CONT bit set. Create a new definition for an early boot range of PTE's that are contiguous.
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> --- arch/arm64/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index d43e1d1..252499e 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -76,6 +76,8 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #define PAGE_KERNEL __pgprot(_PAGE_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE) #define PAGE_KERNEL_EXEC __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_WRITE) +#define PAGE_KERNEL_EXEC_CONT __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | \ + PTE_WRITE | PTE_CONT) #define PAGE_HYP __pgprot(_PAGE_DEFAULT | PTE_HYP) #define PAGE_HYP_DEVICE __pgprot(PROT_DEVICE_nGnRE | PTE_HYP) -- 2.4.3
| |