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Revert "mm: add speculative page fault vmstats"

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This reverts commit 2842d9234e.

Bug: 128240262
Change-Id: I3ba5c0ab739af15061dd376fcb15366e9644ed4f
Signed-off-by: Minchan Kim <minchan@google.com>
[dereference23: Forward port to msm-5.4]
Signed-off-by: Alexander Winkowski <dereference23@outlook.com>
This commit is contained in:
Minchan Kim 2019-03-11 11:37:42 +09:00 • committed by Alexander Winkowski
commit f2f6a4239e
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GPG key ID: 72762A66704CDE44
3 changed files with 1 additions and 8 deletions
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3
include/linux/vm_event_item.h
View file

@ -113,9 +113,6 @@ enum vm_event_item { PGPGIN, PGPGOUT,
#ifdef CONFIG_SWAP
SWAP_RA,
SWAP_RA_HIT,
#endif
#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
SPECULATIVE_PGFAULT,
#endif
NR_VM_EVENT_ITEMS
};

1
mm/memory.c
View file

@ -4616,7 +4616,6 @@ int __handle_speculative_fault(struct mm_struct *mm, unsigned long address,
* If there is no need to retry, don't return the vma to the caller.
*/
if (ret != VM_FAULT_RETRY) {
count_vm_event(SPECULATIVE_PGFAULT);
put_vma(vmf.vma);
*vma = NULL;
}

5
mm/vmstat.c
View file

@ -1300,10 +1300,7 @@ const char * const vmstat_text[] = {
"swap_ra",
"swap_ra_hit",
#endif
#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
"speculative_pgfault"
#endif
#endif /* CONFIG_VM_EVENT_COUNTERS */
#endif /* CONFIG_VM_EVENTS_COUNTERS */
};
#endif /* CONFIG_PROC_FS || CONFIG_SYSFS || CONFIG_NUMA */