diff options
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 7c468ac1d069..a57e1be41401 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -32,6 +32,7 @@ #include <linux/cma.h> #include <linux/migrate.h> #include <linux/nospec.h> +#include <linux/delayacct.h> #include <asm/page.h> #include <asm/pgalloc.h> @@ -5230,6 +5231,8 @@ static vm_fault_t hugetlb_wp(struct mm_struct *mm, struct vm_area_struct *vma, pte = huge_ptep_get(ptep); old_page = pte_page(pte); + delayacct_wpcopy_start(); + retry_avoidcopy: /* * If no-one else is actually using this page, we're the exclusive @@ -5240,6 +5243,8 @@ retry_avoidcopy: page_move_anon_rmap(old_page, vma); if (likely(!unshare)) set_huge_ptep_writable(vma, haddr, ptep); + + delayacct_wpcopy_end(); return 0; } VM_BUG_ON_PAGE(PageAnon(old_page) && PageAnonExclusive(old_page), @@ -5309,6 +5314,7 @@ retry_avoidcopy: * race occurs while re-acquiring page table * lock, and our job is done. */ + delayacct_wpcopy_end(); return 0; } @@ -5367,6 +5373,8 @@ out_release_old: put_page(old_page); spin_lock(ptl); /* Caller expects lock to be held */ + + delayacct_wpcopy_end(); return ret; } |