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| author | Vlastimil Babka <[email protected]> | 2025-03-10 12:40:17 +0000 |
|---|---|---|
| committer | Alexei Starovoitov <[email protected]> | 2025-03-15 18:18:19 +0000 |
| commit | f90b474a35744b5d43009e4fab232e74a3024cae (patch) | |
| tree | d7af19439740b2364da965cfebe52fc9b6ff114f /samples/rust/rust_driver_platform.rs | |
| parent | Merge branch 'bpf-mm-introduce-try_alloc_pages' (diff) | |
| download | kernel-f90b474a35744b5d43009e4fab232e74a3024cae.tar.gz kernel-f90b474a35744b5d43009e4fab232e74a3024cae.zip | |
mm: Fix the flipped condition in gfpflags_allow_spinning()
The function gfpflags_allow_spinning() has a bug that makes it return
the opposite result than intended. This could contribute to deadlocks as
usage profilerates, for now it was noticed as a performance regression
due to try_charge_memcg() not refilling memcg stock when it could. Fix
the flipped condition.
Fixes: 97769a53f117 ("mm, bpf: Introduce try_alloc_pages() for opportunistic page allocation")
Reported-by: kernel test robot <[email protected]>
Acked-by: Shakeel Butt <[email protected]>
Signed-off-by: Vlastimil Babka <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
Closes: https://lore.kernel.org/oe-lkp/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>
Diffstat (limited to 'samples/rust/rust_driver_platform.rs')
0 files changed, 0 insertions, 0 deletions