RFC optimise unlock_page / end_page_writeback
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- v1 RFC Latest2 patches 17 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | mm: Use owner_priv bit for PageSwapCache, valid when PageSwapBackedinclude/ include/ | +10 | 2 replies | |
| 2/2 | mm: add PageWaiters bit to indicate waitqueue should be checkedinclude/ include/ include/ +2 more | +138 | 15 replies |
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Cover letter [RFC][PATCH 0/2] optimise unlock_page / end_page_writeback
Hi,
There doesn't seem to be much more discussion about this, so let's kick it along a bit. I tried to reclaim a page flag because I can't bring myself to ifdef it to 64-bit only, but otherwise the patches don't depend on each other at all.
Thanks,
Nick
Nicholas Piggin (2):
mm: Use owner_priv bit for PageSwapCache, valid when PageSwapBacked
mm: add PageWaiters bit to indicate waitqueue should be checked
include/linux/page-flags.h | 14 +++- include/linux/pagemap.h | 23 +++--- include/trace/events/mmflags.h | 2 +- mm/filemap.c | 157 ++++++++++++++++++++++++++++++++--------- mm/swap.c | 2 + 5 files changed, 148 insertions(+), 50 deletions(-)
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