+ hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix.patch added to mm-nonmm-unstable branch

+ hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix
Date: Thu Mar 13 03:28:05 PM PDT 2025

implement debug_show_blocker() in C rather than in CPP

Cc: Anna Schumaker <anna.schumaker@oracle.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Joel Granados <joel.granados@kernel.org>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Lance Yang <ioworker0@gmail.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tomasz Figa <tfiga@chromium.org>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yongliang Gao <leonylgao@tencent.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/hung_task.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/kernel/hung_task.c~hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix
+++ a/kernel/hung_task.c
@@ -125,7 +125,9 @@ static void debug_show_blocker(struct ta
 	}
 }
 #else
-#define debug_show_blocker(t)	do {} while (0)
+static inline void debug_show_blocker(struct task_struct *task)
+{
+}
 #endif
 
 static void check_hung_task(struct task_struct *t, unsigned long timeout)
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-vmscan-extract-calculated-pressure-balance-as-a-function-fix.patch
mm-madvise-split-out-mmap-locking-operations-for-madvise-fix-checkpatch-fixes.patch
mm-madvise-remove-redundant-mmap_lock-operations-from-process_madvise-fix.patch
mm-pgtable-convert-some-architectures-to-use-tlb_remove_ptdesc-v2-fix.patch
mm-hugetlb-add-hugetlb_alloc_threads-cmdline-option-fix.patch
mm-filemap-use-xas_try_split-in-__filemap_add_folio-fix.patch
lib-plistc-add-shortcut-for-plist_requeue-fix.patch
scsi-lpfc-convert-timeouts-to-secs_to_jiffies-fix.patch
signal-avoid-clearing-tif_sigpending-in-recalc_sigpending-if-unset-fix.patch
hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix.patch