thp: add x86 32bit support
Add support for transparent hugepages to x86 32bit.
Share the same VM_ bitflag for VM_MAPPED_COPY. mm/nommu.c will never
support transparent hugepages.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/Kconfig b/mm/Kconfig
index 3982be2..d774f77 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -304,7 +304,7 @@
config TRANSPARENT_HUGEPAGE
bool "Transparent Hugepage Support" if EMBEDDED
- depends on X86_64 && MMU
+ depends on X86 && MMU
default y
help
Transparent Hugepages allows the kernel to use huge pages and