The patch titled
pi-futex: introduce debug_check_no_locks_freed()
has been added to the -mm tree. Its filename is
pi-futex-introduce-debug_check_no_locks_freed.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: pi-futex: introduce debug_check_no_locks_freed()
From: Ingo Molnar <mingo@xxxxxxx>
Add debug_check_no_locks_freed(), as a central inline to add
bad-lock-free-debugging functionality to.
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/i386/mm/pageattr.c | 4 ++--
include/linux/mm.h | 10 ++++++++--
mm/page_alloc.c | 4 ++--
mm/slab.c | 2 +-
4 files changed, 13 insertions(+), 7 deletions(-)
diff -puN arch/i386/mm/pageattr.c~pi-futex-introduce-debug_check_no_locks_freed arch/i386/mm/pageattr.c
--- devel/arch/i386/mm/pageattr.c~pi-futex-introduce-debug_check_no_locks_freed 2006-05-25 08:01:21.000000000 -0700
+++ devel-akpm/arch/i386/mm/pageattr.c 2006-05-25 08:01:22.000000000 -0700
@@ -229,8 +229,8 @@ void kernel_map_pages(struct page *page,
if (PageHighMem(page))
return;
if (!enable)
- mutex_debug_check_no_locks_freed(page_address(page),
- numpages * PAGE_SIZE);
+ debug_check_no_locks_freed(page_address(page),
+ numpages * PAGE_SIZE);
/* the return value is ignored - the calls cannot fail,
* large pages are disabled at boot time.
diff -puN include/linux/mm.h~pi-futex-introduce-debug_check_no_locks_freed include/linux/mm.h
--- devel/include/linux/mm.h~pi-futex-introduce-debug_check_no_locks_freed 2006-05-25 08:01:21.000000000 -0700
+++ devel-akpm/include/linux/mm.h 2006-05-25 08:01:22.000000000 -0700
@@ -1038,13 +1038,19 @@ static inline void vm_stat_account(struc
}
#endif /* CONFIG_PROC_FS */
+static inline void
+debug_check_no_locks_freed(const void *from, unsigned long len)
+{
+ mutex_debug_check_no_locks_freed(from, len);
+}
+
#ifndef CONFIG_DEBUG_PAGEALLOC
static inline void
kernel_map_pages(struct page *page, int numpages, int enable)
{
if (!PageHighMem(page) && !enable)
- mutex_debug_check_no_locks_freed(page_address(page),
- numpages * PAGE_SIZE);
+ debug_check_no_locks_freed(page_address(page),
+ numpages * PAGE_SIZE);
}
#endif
diff -puN mm/page_alloc.c~pi-futex-introduce-debug_check_no_locks_freed mm/page_alloc.c
--- devel/mm/page_alloc.c~pi-futex-introduce-debug_check_no_locks_freed 2006-05-25 08:01:21.000000000 -0700
+++ devel-akpm/mm/page_alloc.c 2006-05-25 08:01:22.000000000 -0700
@@ -446,8 +446,8 @@ static void __free_pages_ok(struct page
arch_free_page(page, order);
if (!PageHighMem(page))
- mutex_debug_check_no_locks_freed(page_address(page),
- PAGE_SIZE<<order);
+ debug_check_no_locks_freed(page_address(page),
+ PAGE_SIZE<<order);
for (i = 0 ; i < (1 << order) ; ++i)
reserved += free_pages_check(page + i);
diff -puN mm/slab.c~pi-futex-introduce-debug_check_no_locks_freed mm/slab.c
--- devel/mm/slab.c~pi-futex-introduce-debug_check_no_locks_freed 2006-05-25 08:01:22.000000000 -0700
+++ devel-akpm/mm/slab.c 2006-05-25 08:01:22.000000000 -0700
@@ -3404,7 +3404,7 @@ void kfree(const void *objp)
local_irq_save(flags);
kfree_debugcheck(objp);
c = virt_to_cache(objp);
- mutex_debug_check_no_locks_freed(objp, obj_size(c));
+ debug_check_no_locks_freed(objp, obj_size(c));
__cache_free(c, (void *)objp);
local_irq_restore(flags);
}
_
Patches currently in -mm which might be from mingo@xxxxxxx are
git-acpi.patch
fix-drivers-mfd-ucb1x00-corec-irq-probing-bug.patch
git-infiniband.patch
git-netdev-all.patch
fix-for-serial-uart-lockup.patch
swapless-pm-add-r-w-migration-entries-fix.patch
i386-break-out-of-recursion-in-stackframe-walk.patch
x86-re-enable-generic-numa.patch
vdso-randomize-the-i386-vdso-by-moving-it-into-a-vma.patch
vdso-randomize-the-i386-vdso-by-moving-it-into-a-vma-tidy.patch
vdso-randomize-the-i386-vdso-by-moving-it-into-a-vma-arch_vma_name-fix.patch
work-around-ppc64-bootup-bug-by-making-mutex-debugging-save-restore-irqs.patch
kernel-kernel-cpuc-to-mutexes.patch
cond-resched-might-sleep-fix.patch
define-__raw_get_cpu_var-and-use-it.patch
ide-cd-end-of-media-error-fix.patch
spin-rwlock-init-cleanups.patch
time-clocksource-infrastructure.patch
sched-comment-bitmap-size-accounting.patch
sched-fix-interactive-ceiling-code.patch
sched-implement-smpnice.patch
sched-protect-calculation-of-max_pull-from-integer-wrap.patch
sched-store-weighted-load-on-up.patch
sched-add-discrete-weighted-cpu-load-function.patch
sched-prevent-high-load-weight-tasks-suppressing-balancing.patch
sched-improve-stability-of-smpnice-load-balancing.patch
sched-improve-smpnice-load-balancing-when-load-per-task.patch
smpnice-dont-consider-sched-groups-which-are-lightly-loaded-for-balancing.patch
smpnice-dont-consider-sched-groups-which-are-lightly-loaded-for-balancing-fix.patch
sched-modify-move_tasks-to-improve-load-balancing-outcomes.patch
sched-avoid-unnecessarily-moving-highest-priority-task-move_tasks.patch
sched-avoid-unnecessarily-moving-highest-priority-task-move_tasks-fix-2.patch
sched_domain-handle-kmalloc-failure.patch
sched_domain-handle-kmalloc-failure-fix.patch
sched_domain-dont-use-gfp_atomic.patch
sched_domain-use-kmalloc_node.patch
sched_domain-allocate-sched_group-structures-dynamically.patch
sched-add-above-background-load-function.patch
mm-implement-swap-prefetching-fix.patch
pi-futex-futex-code-cleanups.patch
pi-futex-robust-futex-docs-fix.patch
pi-futex-introduce-debug_check_no_locks_freed.patch
pi-futex-introduce-warn_on_smp.patch
pi-futex-add-plist-implementation.patch
pi-futex-scheduler-support-for-pi.patch
pi-futex-rt-mutex-core.patch
pi-futex-rt-mutex-docs.patch
pi-futex-rt-mutex-debug.patch
pi-futex-rt-mutex-tester.patch
pi-futex-rt-mutex-futex-api.patch
pi-futex-futex_lock_pi-futex_unlock_pi-support.patch
futex_requeue-optimization.patch
reiser4.patch
reiser4-spin-rwlock-init-cleanups.patch
genirq-rename-desc-handler-to-desc-chip.patch
genirq-rename-desc-handler-to-desc-chip-power-fix.patch
genirq-rename-desc-handler-to-desc-chip-ia64-fix.patch
genirq-rename-desc-handler-to-desc-chip-ia64-fix-2.patch
genirq-sem2mutex-probe_sem-probing_active.patch
genirq-cleanup-merge-irq_affinity-into-irq_desc.patch
genirq-cleanup-remove-irq_descp.patch
genirq-cleanup-remove-fastcall.patch
genirq-cleanup-misc-code-cleanups.patch
genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete.patch
genirq-cleanup-include-linux-irqh.patch
genirq-cleanup-merge-irq_dir-smp_affinity_entry-into-irq_desc.patch
genirq-cleanup-merge-pending_irq_cpumask-into-irq_desc.patch
genirq-cleanup-turn-arch_has_irq_per_cpu-into-config_irq_per_cpu.patch
genirq-debug-better-debug-printout-in-enable_irq.patch
genirq-add-retrigger-irq-op-to-consolidate-hw_irq_resend.patch
genirq-doc-comment-include-linux-irqh-structures.patch
genirq-doc-handle_irq_event-and-__do_irq-comments.patch
genirq-cleanup-no_irq_type-cleanups.patch
genirq-doc-add-design-documentation.patch
genirq-add-genirq-sw-irq-retrigger.patch
genirq-add-irq_noprobe-support.patch
genirq-add-irq_norequest-support.patch
genirq-add-irq_noautoen-support.patch
genirq-update-copyrights.patch
genirq-core.patch
genirq-add-irq-chip-support.patch
genirq-add-handle_bad_irq.patch
genirq-add-irq-wake-power-management-support.patch
genirq-add-sa_trigger-support.patch
genirq-cleanup-no_irq_type-no_irq_chip-rename.patch
genirq-convert-the-x86_64-architecture-to-irq-chips.patch
genirq-convert-the-i386-architecture-to-irq-chips.patch
genirq-convert-the-i386-architecture-to-irq-chips-fix-2.patch
genirq-more-verbose-debugging-on-unexpected-irq-vectors.patch
detect-atomic-counter-underflows.patch
debug-shared-irqs.patch
make-frame_pointer-default=y.patch
mutex-subsystem-synchro-test-module.patch
vdso-print-fatal-signals.patch
vdso-improve-print_fatal_signals-support-by-adding-memory-maps.patch
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