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| author | Emanuele Ghidoli <emanuele.ghidoli@toradex.com> | 2025-06-19 08:37:27 +0200 |
|---|---|---|
| committer | Emanuele Ghidoli <emanuele.ghidoli@toradex.com> | 2025-06-19 10:55:50 +0200 |
| commit | 3bb604cef85fb366931a777a20579cc7c24b6c5c (patch) | |
| tree | 855a4c90b2b093047060d9a5c5888a27e68e54cd /mm/memory-failure.c | |
| parent | 1e78582cc49cd07d726ea073178625c1cbbed013 (diff) | |
| parent | 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 (diff) | |
Merge tag 'v6.1.141' into toradex_ti-linux-6.1.y
This is the 6.1.141 stable release
Conflicts:
drivers/spi/spi-cadence-quadspi.c
Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 56b2dcc2c0d6..9ca2b58aceec 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -764,12 +764,17 @@ static int kill_accessing_process(struct task_struct *p, unsigned long pfn, mmap_read_lock(p->mm); ret = walk_page_range(p->mm, 0, TASK_SIZE, &hwp_walk_ops, (void *)&priv); + /* + * ret = 1 when CMCI wins, regardless of whether try_to_unmap() + * succeeds or fails, then kill the process with SIGBUS. + * ret = 0 when poison page is a clean page and it's dropped, no + * SIGBUS is needed. + */ if (ret == 1 && priv.tk.addr) kill_proc(&priv.tk, pfn, flags); - else - ret = 0; mmap_read_unlock(p->mm); - return ret > 0 ? -EHWPOISON : -EFAULT; + + return ret > 0 ? -EHWPOISON : 0; } static const char *action_name[] = { |