[PATCH v2 3/6] powerpc/pkeys: fix calculation of total pkeys.
STALE3018d
From: Ram Pai <hidden>
Date: 2018-06-14 00:29:25
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Revision v2 of 2 in this series.
Revisions (2)
- v1 [diff vs current]
- v2 current
Total number of pkeys calculation is off by 1. Fix it. CC: Florian Weimer <redacted> CC: Michael Ellerman <mpe@ellerman.id.au> CC: Thiago Jung Bauermann <redacted> Signed-off-by: Ram Pai <redacted> --- 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