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authorCatalin Marinas2012-07-25 14:39:26 +0100
committerSteve Capper2013-06-04 16:52:38 +0100
commit8d962507007357d6fbbcbdd1647faa389a9aed6d (patch)
tree019135b49067394cfd3c002d4900aba91089f66f /arch/arm/mm
parent1355e2a6eb88f04d76125c057dc5fca64d4b6a9e (diff)
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/mm')
-rw-r--r--arch/arm/mm/fsr-3level.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/fsr-3level.c b/arch/arm/mm/fsr-3level.c
index e115fc7a69bd..ab4409a2307e 100644
--- a/arch/arm/mm/fsr-3level.c
+++ b/arch/arm/mm/fsr-3level.c
@@ -9,7 +9,7 @@ static struct fsr_info fsr_info[] = {
{ do_page_fault, SIGSEGV, SEGV_MAPERR, "level 3 translation fault" },
{ do_bad, SIGBUS, 0, "reserved access flag fault" },
{ do_bad, SIGSEGV, SEGV_ACCERR, "level 1 access flag fault" },
- { do_bad, SIGSEGV, SEGV_ACCERR, "level 2 access flag fault" },
+ { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 2 access flag fault" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 3 access flag fault" },
{ do_bad, SIGBUS, 0, "reserved permission fault" },
{ do_bad, SIGSEGV, SEGV_ACCERR, "level 1 permission fault" },