diff options
| author | Dave Airlie <airlied@redhat.com> | 2022-07-13 10:54:56 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2022-07-13 10:54:56 +1000 |
| commit | e23a5e14aa278858c2e3d81ec34e83aa9a4177c5 (patch) | |
| tree | 8b662fca8f0643d2b7ef0836da91835408075208 /mm/memory-failure.c | |
| parent | 5e4cb0afe21e4e744ed808de1169a62ab35a57f5 (diff) | |
| parent | 32346491ddf24599decca06190ebca03ff9de7f8 (diff) | |
Backmerge tag 'v5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Backmerge in rc6 so I can merge msm next easier.
Linux 5.19-rc6
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index b85661cbdc4a..da39ec8afca8 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -69,6 +69,8 @@ int sysctl_memory_failure_recovery __read_mostly = 1; atomic_long_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0); +static bool hw_memory_failure __read_mostly = false; + static bool __page_handle_poison(struct page *page) { int ret; @@ -1768,6 +1770,9 @@ int memory_failure(unsigned long pfn, int flags) mutex_lock(&mf_mutex); + if (!(flags & MF_SW_SIMULATED)) + hw_memory_failure = true; + p = pfn_to_online_page(pfn); if (!p) { res = arch_memory_failure(pfn, flags); @@ -2103,6 +2108,13 @@ int unpoison_memory(unsigned long pfn) mutex_lock(&mf_mutex); + if (hw_memory_failure) { + unpoison_pr_info("Unpoison: Disabled after HW memory failure %#lx\n", + pfn, &unpoison_rs); + ret = -EOPNOTSUPP; + goto unlock_mutex; + } + if (!PageHWPoison(p)) { unpoison_pr_info("Unpoison: Page was already unpoisoned %#lx\n", pfn, &unpoison_rs); |