diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-09-25 06:19:19 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-09-25 06:19:19 +0200 |
| commit | 8c1c6c7588b2faf9dd45fb3cfb7497fd09bbfe7c (patch) | |
| tree | 50a7ddcfd7e7b1a7e4fb656bb88a036dbcff4bd6 /mm/mlock.c | |
| parent | 38225f2ef2f4263fc65acae63fdd4e8489c9ffcf (diff) | |
| parent | 171d4ff79f965c1f164705ef0aaea102a6ad238b (diff) | |
Merge branch 'master' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into dma-mapping-for-next
Pull in the latest 5.9 tree for the commit to revert the
V4L2_FLAG_MEMORY_NON_CONSISTENT uapi addition.
Diffstat (limited to 'mm/mlock.c')
| -rw-r--r-- | mm/mlock.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/mm/mlock.c b/mm/mlock.c index 93ca2bf30b4fd..884b1216da6a6 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -58,11 +58,14 @@ EXPORT_SYMBOL(can_do_mlock); */ void clear_page_mlock(struct page *page) { + int nr_pages; + if (!TestClearPageMlocked(page)) return; - mod_zone_page_state(page_zone(page), NR_MLOCK, -thp_nr_pages(page)); - count_vm_event(UNEVICTABLE_PGCLEARED); + nr_pages = thp_nr_pages(page); + mod_zone_page_state(page_zone(page), NR_MLOCK, -nr_pages); + count_vm_events(UNEVICTABLE_PGCLEARED, nr_pages); /* * The previous TestClearPageMlocked() corresponds to the smp_mb() * in __pagevec_lru_add_fn(). @@ -76,7 +79,7 @@ void clear_page_mlock(struct page *page) * We lost the race. the page already moved to evictable list. */ if (PageUnevictable(page)) - count_vm_event(UNEVICTABLE_PGSTRANDED); + count_vm_events(UNEVICTABLE_PGSTRANDED, nr_pages); } } @@ -93,9 +96,10 @@ void mlock_vma_page(struct page *page) VM_BUG_ON_PAGE(PageCompound(page) && PageDoubleMap(page), page); if (!TestSetPageMlocked(page)) { - mod_zone_page_state(page_zone(page), NR_MLOCK, - thp_nr_pages(page)); - count_vm_event(UNEVICTABLE_PGMLOCKED); + int nr_pages = thp_nr_pages(page); + + mod_zone_page_state(page_zone(page), NR_MLOCK, nr_pages); + count_vm_events(UNEVICTABLE_PGMLOCKED, nr_pages); if (!isolate_lru_page(page)) putback_lru_page(page); } @@ -138,7 +142,7 @@ static void __munlock_isolated_page(struct page *page) /* Did try_to_unlock() succeed or punt? */ if (!PageMlocked(page)) - count_vm_event(UNEVICTABLE_PGMUNLOCKED); + count_vm_events(UNEVICTABLE_PGMUNLOCKED, thp_nr_pages(page)); putback_lru_page(page); } @@ -154,10 +158,12 @@ static void __munlock_isolated_page(struct page *page) */ static void __munlock_isolation_failed(struct page *page) { + int nr_pages = thp_nr_pages(page); + if (PageUnevictable(page)) - __count_vm_event(UNEVICTABLE_PGSTRANDED); + __count_vm_events(UNEVICTABLE_PGSTRANDED, nr_pages); else - __count_vm_event(UNEVICTABLE_PGMUNLOCKED); + __count_vm_events(UNEVICTABLE_PGMUNLOCKED, nr_pages); } /** |