diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-04-18 13:56:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-04-18 13:56:51 -0700 |
| commit | 005882e53d62f25dae10351a8d3f13326051e8f5 (patch) | |
| tree | 4c482d5b830877cbce99d4d9bca4802946e7471a | |
| parent | 40d9018eb738f724dc9c27eec88c78cc488e0af0 (diff) | |
| parent | 544f8f935863c5a9ca3e34306ea3316095e7b7bf (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixes from David Miller:
"Two Sparc bug fixes from Daniel Jordan and Nitin Gupta"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Fix hugepage page table free
sparc64: Use LOCKDEP_SMALL, not PROVE_LOCKING_SMALL
| -rw-r--r-- | arch/sparc/Kconfig | 2 | ||||
| -rw-r--r-- | arch/sparc/mm/hugetlbpage.c | 16 | ||||
| -rw-r--r-- | kernel/locking/lockdep_internals.h | 6 | ||||
| -rw-r--r-- | lib/Kconfig.debug | 6 |
4 files changed, 23 insertions, 7 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 68ac5c7cd982..a59deaef21e5 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -43,7 +43,7 @@ config SPARC select ARCH_HAS_SG_CHAIN select CPU_NO_EFFICIENT_FFS select HAVE_ARCH_HARDENED_USERCOPY - select PROVE_LOCKING_SMALL if PROVE_LOCKING + select LOCKDEP_SMALL if LOCKDEP select ARCH_WANT_RELAX_ORDER config SPARC32 diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index ee5273ad918d..7c29d38e6b99 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -461,6 +461,22 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, pgd_t *pgd; unsigned long next; + addr &= PMD_MASK; + if (addr < floor) { + addr += PMD_SIZE; + if (!addr) + return; + } + if (ceiling) { + ceiling &= PMD_MASK; + if (!ceiling) + return; + } + if (end - 1 > ceiling - 1) + end -= PMD_SIZE; + if (addr > end - 1) + return; + pgd = pgd_offset(tlb->mm, addr); do { next = pgd_addr_end(addr, end); diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h index c2b88490d857..c08fbd2f5ba9 100644 --- a/kernel/locking/lockdep_internals.h +++ b/kernel/locking/lockdep_internals.h @@ -46,13 +46,13 @@ enum { (LOCKF_USED_IN_HARDIRQ_READ | LOCKF_USED_IN_SOFTIRQ_READ) /* - * CONFIG_PROVE_LOCKING_SMALL is defined for sparc. Sparc requires .text, + * CONFIG_LOCKDEP_SMALL is defined for sparc. Sparc requires .text, * .data and .bss to fit in required 32MB limit for the kernel. With - * PROVE_LOCKING we could go over this limit and cause system boot-up problems. + * CONFIG_LOCKDEP we could go over this limit and cause system boot-up problems. * So, reduce the static allocations for lockdeps related structures so that * everything fits in current required size limit. */ -#ifdef CONFIG_PROVE_LOCKING_SMALL +#ifdef CONFIG_LOCKDEP_SMALL /* * MAX_LOCKDEP_ENTRIES is the maximum number of lock dependencies * we track. diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 97d62c2da6c2..fa16c0f82d6e 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1103,9 +1103,6 @@ config PROVE_LOCKING For more details, see Documentation/locking/lockdep-design.txt. -config PROVE_LOCKING_SMALL - bool - config LOCKDEP bool depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT @@ -1114,6 +1111,9 @@ config LOCKDEP select KALLSYMS select KALLSYMS_ALL +config LOCKDEP_SMALL + bool + config LOCK_STAT bool "Lock usage statistics" depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT |