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Swap delay accounting, include lock_page() delays

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The delay incurred in lock_page() should also be accounted in swap delay
accounting

Reported-by: Nick Piggin <[email protected]>
Signed-off-by: Balbir Singh <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Balbir Singh 2007-11-14 17:00:33 -08:00 • committed by Linus Torvalds
commit 20a1022d4a
1 changed files with 1 additions and 1 deletions
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2
mm/memory.c
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@ -2084,9 +2084,9 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
count_vm_event(PGMAJFAULT);
}
delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
mark_page_accessed(page);
lock_page(page);
delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
/*
* Back out if somebody else already faulted in this pte.