From mboxrd@z Thu Jan 1 00:00:00 1970 From: cyril@ti.com (Cyril Chemparathy) Date: Tue, 11 Sep 2012 13:39:10 -0400 Subject: [PATCH v3 12/17] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem In-Reply-To: <1347385155-11643-1-git-send-email-cyril@ti.com> References: <1347385155-11643-1-git-send-email-cyril@ti.com> Message-ID: <1347385155-11643-13-git-send-email-cyril@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds an architecture defined override for ARCH_LOW_ADDRESS_LIMIT. On PAE systems, the absence of this override causes bootmem to incorrectly limit itself to 32-bit addressable physical memory. Signed-off-by: Cyril Chemparathy Signed-off-by: Vitaly Andrianov --- arch/arm/include/asm/memory.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 0643454..73caaeb 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -307,6 +307,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) +#define ARCH_LOW_ADDRESS_LIMIT PHYS_MASK + #endif #include -- 1.7.9.5