Commit 2e07b297 authored by Peter Maydell's avatar Peter Maydell
Browse files

oslib-posix: Align to permit transparent hugepages on ARM Linux 



ARM Linux (like x86-64 Linux) can use transparent hugepages for
KVM if memory blocks are 2MiB aligned; set QEMU_VMALLOC_ALIGN
accordingly.

Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 00115976

util/oslib-posix.c

+1 −1
Original line number Diff line number Diff line
@@ -35,7 +35,7 @@ 
extern int daemon(int, int);

#endif



#if defined(__linux__) && defined(__x86_64__)

#if defined(__linux__) && (defined(__x86_64__) || defined(__arm__))

   /* Use 2 MiB alignment so transparent hugepages can be used by KVM.

      Valgrind does not support alignments larger than 1 MiB,

      therefore we need special code which handles running on Valgrind. */