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| author | Alexander Lobakin <[email protected]> | 2021-02-02 13:31:21 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2021-02-05 02:20:14 +0000 |
| commit | bc38f30f8dbce0afb8af05d917bee084b1329418 (patch) | |
| tree | f9c798db94e324b4b2b08efbf69b1764961075e6 /drivers/net/ethernet/intel/igc | |
| parent | skbuff: constify skb_propagate_pfmemalloc() "page" argument (diff) | |
| download | kernel-bc38f30f8dbce0afb8af05d917bee084b1329418.tar.gz kernel-bc38f30f8dbce0afb8af05d917bee084b1329418.zip | |
net: introduce common dev_page_is_reusable()
A bunch of drivers test the page before reusing/recycling for two
common conditions:
- if a page was allocated under memory pressure (pfmemalloc page);
- if a page was allocated at a distant memory node (to exclude
slowdowns).
Introduce a new common inline for doing this, with likely() already
folded inside to make driver code a bit simpler.
Suggested-by: David Rientjes <[email protected]>
Suggested-by: Jakub Kicinski <[email protected]>
Cc: John Hubbard <[email protected]>
Signed-off-by: Alexander Lobakin <[email protected]>
Reviewed-by: Jesse Brandeburg <[email protected]>
Acked-by: David Rientjes <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'drivers/net/ethernet/intel/igc')
0 files changed, 0 insertions, 0 deletions