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authorCatalin Marinas <catalin.marinas@arm.com>2012-07-25 15:39:26 +0200
committerSteve Capper <steve.capper@linaro.org>2013-06-04 17:52:38 +0200
commit8d962507007357d6fbbcbdd1647faa389a9aed6d (patch)
tree019135b49067394cfd3c002d4900aba91089f66f /arch/arm/include/asm/pgtable.h
parentARM: mm: HugeTLB support for LPAE systems. (diff)
downloadlinux-8d962507007357d6fbbcbdd1647faa389a9aed6d.tar.xz
linux-8d962507007357d6fbbcbdd1647faa389a9aed6d.zip
ARM: mm: Transparent huge page support for LPAE systems.
The patch adds support for THP (transparent huge pages) to LPAE systems. When this feature is enabled, the kernel tries to map anonymous pages as 2MB sections where possible. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> [steve.capper@linaro.org: symbolic constants used, value of PMD_SECT_SPLITTING adjusted, tlbflush.h included in pgtable.h, added PROT_NONE support.] Signed-off-by: Steve Capper <steve.capper@linaro.org> Reviewed-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm/include/asm/pgtable.h')
-rw-r--r--arch/arm/include/asm/pgtable.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index 9bcd262a9008..eaedce7b7e3a 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -24,6 +24,9 @@
#include <asm/memory.h>
#include <asm/pgtable-hwdef.h>
+
+#include <asm/tlbflush.h>
+
#ifdef CONFIG_ARM_LPAE
#include <asm/pgtable-3level.h>
#else