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| author | Jens Axboe <axboe@kernel.dk> | 2024-09-17 08:32:53 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-09-17 08:32:53 -0600 |
| commit | 42b16d3ac371a2fac9b6f08fd75f23f34ba3955a (patch) | |
| tree | d15a2fe1f7441361b972bc787af5122adc3fcb71 /mm/mseal.c | |
| parent | 4208c562a27899212e8046080555e0f204e0579a (diff) | |
| parent | 98f7e32f20d28ec452afb208f9cffc08448a2652 (diff) | |
Merge tag 'v6.11' into for-6.12/block
Merge in 6.11 final to get the fix for preventing deadlocks on an
elevator switch, as there's a fixup for that patch.
* tag 'v6.11': (1788 commits)
Linux 6.11
Revert "KVM: VMX: Always honor guest PAT on CPUs that support self-snoop"
pinctrl: pinctrl-cy8c95x0: Fix regcache
cifs: Fix signature miscalculation
mm: avoid leaving partial pfn mappings around in error case
drm/xe/client: add missing bo locking in show_meminfo()
drm/xe/client: fix deadlock in show_meminfo()
drm/xe/oa: Enable Xe2+ PES disaggregation
drm/xe/display: fix compat IS_DISPLAY_STEP() range end
drm/xe: Fix access_ok check in user_fence_create
drm/xe: Fix possible UAF in guc_exec_queue_process_msg
drm/xe: Remove fence check from send_tlb_invalidation
drm/xe/gt: Remove double include
net: netfilter: move nf flowtable bpf initialization in nf_flow_table_module_init()
PCI: Fix potential deadlock in pcim_intx()
workqueue: Clear worker->pool in the worker thread context
net: tighten bad gso csum offset check in virtio_net_hdr
netlink: specs: mptcp: fix port endianness
net: dpaa: Pad packets to ETH_ZLEN
mptcp: pm: Fix uaf in __timer_delete_sync
...
Diffstat (limited to 'mm/mseal.c')
| -rw-r--r-- | mm/mseal.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/mm/mseal.c b/mm/mseal.c index bf783bba8ed0..15bba28acc00 100644 --- a/mm/mseal.c +++ b/mm/mseal.c @@ -40,9 +40,17 @@ static bool can_modify_vma(struct vm_area_struct *vma) static bool is_madv_discard(int behavior) { - return behavior & - (MADV_FREE | MADV_DONTNEED | MADV_DONTNEED_LOCKED | - MADV_REMOVE | MADV_DONTFORK | MADV_WIPEONFORK); + switch (behavior) { + case MADV_FREE: + case MADV_DONTNEED: + case MADV_DONTNEED_LOCKED: + case MADV_REMOVE: + case MADV_DONTFORK: + case MADV_WIPEONFORK: + return true; + } + + return false; } static bool is_ro_anon(struct vm_area_struct *vma) |