diff options
| -rw-r--r-- | include/linux/vm_event_item.h | 7 | ||||
| -rw-r--r-- | mm/memory.c | 1 | ||||
| -rw-r--r-- | mm/vmstat.c | 2 |
3 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index ec084321fe09..42604173f122 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -70,6 +70,8 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, THP_FAULT_FALLBACK, THP_COLLAPSE_ALLOC, THP_COLLAPSE_ALLOC_FAILED, + THP_FILE_ALLOC, + THP_FILE_MAPPED, THP_SPLIT_PAGE, THP_SPLIT_PAGE_FAILED, THP_DEFERRED_SPLIT_PAGE, @@ -100,4 +102,9 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, NR_VM_EVENT_ITEMS }; +#ifndef CONFIG_TRANSPARENT_HUGEPAGE +#define THP_FILE_ALLOC ({ BUILD_BUG(); 0; }) +#define THP_FILE_MAPPED ({ BUILD_BUG(); 0; }) +#endif + #endif /* VM_EVENT_ITEM_H_INCLUDED */ diff --git a/mm/memory.c b/mm/memory.c index 650622a3a0a1..10a424eca8a4 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2968,6 +2968,7 @@ static int do_set_pmd(struct fault_env *fe, struct page *page) /* fault is handled */ ret = 0; + count_vm_event(THP_FILE_MAPPED); out: spin_unlock(fe->ptl); return ret; diff --git a/mm/vmstat.c b/mm/vmstat.c index 2a0f26bdae39..cff2f4ec9cce 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -817,6 +817,8 @@ const char * const vmstat_text[] = { "thp_fault_fallback", "thp_collapse_alloc", "thp_collapse_alloc_failed", + "thp_file_alloc", + "thp_file_mapped", "thp_split_page", "thp_split_page_failed", "thp_deferred_split_page", |