diff options
| author | Ma Wupeng <mawupeng1@huawei.com> | 2022-11-25 14:54:44 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-30 15:59:08 -0800 |
| commit | e0ff428042335c7b62785b3cf911c427a618bc86 (patch) | |
| tree | 63c0769d658091792d37545ae74e66c78b7499f1 /mm/memory-failure.c | |
| parent | e833bc50340502a2a75b41bbd1a179aa769e2014 (diff) | |
| download | linux-e0ff428042335c7b62785b3cf911c427a618bc86.tar.gz | |
mm/memory-failure.c: cleanup in unpoison_memory
If freeit is true, the value of ret must be zero, there is no need to
check the value of freeit after label unlock_mutex.
We can drop variable freeit to do this cleanup.
Link: https://lkml.kernel.org/r/20221125065444.3462681-1-mawupeng1@huawei.com
Signed-off-by: Ma Wupeng <mawupeng1@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: zhenwei pi <pizhenwei@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 2e62940c7baee..c77a9e37e27e0 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -2338,7 +2338,6 @@ int unpoison_memory(unsigned long pfn) struct page *page; struct page *p; int ret = -EBUSY; - int freeit = 0; unsigned long count = 1; bool huge = false; static DEFINE_RATELIMIT_STATE(unpoison_rs, DEFAULT_RATELIMIT_INTERVAL, @@ -2413,10 +2412,9 @@ int unpoison_memory(unsigned long pfn) goto unlock_mutex; } } - freeit = !!TestClearPageHWPoison(p); put_page(page); - if (freeit) { + if (TestClearPageHWPoison(p)) { put_page(page); ret = 0; } @@ -2424,7 +2422,7 @@ int unpoison_memory(unsigned long pfn) unlock_mutex: mutex_unlock(&mf_mutex); - if (!ret || freeit) { + if (!ret) { if (!huge) num_poisoned_pages_sub(pfn, 1); unpoison_pr_info("Unpoison: Software-unpoisoned page %#lx\n", |