[PATCH 3/5] powerpc/pkeys: fix calculation of total pkeys.
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STALE3055d
SUPERSEDED
From: Ram Pai <hidden>
Date: 2018-06-05 02:10:29
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Revision v1 of 3 in this series.
Revisions (3)
- v1 current
- v2 [diff vs current]
- v3 [diff vs 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 6fc56f4..90ab793 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);
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1.7.1