Total number of pkeys calculation is off by 1. Fix it. CC: Florian Weimer <fwei...@redhat.com> CC: Michael Ellerman <m...@ellerman.id.au> CC: Thiago Jung Bauermann <bauer...@linux.ibm.com> Signed-off-by: Ram Pai <linux...@us.ibm.com> --- arch/powerpc/mm/pkeys.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/mm/pkeys.c b/arch/powerpc/mm/pkeys.c index 6529f4e..b681bec 100644 --- a/arch/powerpc/mm/pkeys.c +++ b/arch/powerpc/mm/pkeys.c @@ -92,7 +92,7 @@ int pkey_initialize(void) * arch-neutral code. */ pkeys_total = min_t(int, pkeys_total, - (ARCH_VM_PKEY_FLAGS >> VM_PKEY_SHIFT)); + ((ARCH_VM_PKEY_FLAGS >> VM_PKEY_SHIFT)+1)); if (!pkey_mmu_enabled() || radix_enabled() || !pkeys_total) static_branch_enable(&pkey_disabled); -- 1.7.1