diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2025-06-09 00:20:56 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2025-06-09 00:20:56 +0200 |
| commit | 1ca7651e1ccbf6c71783f4f676269abbe0fd2f13 (patch) | |
| tree | aa755ad8869fba3e6c2a89eb14e3786a8b1b5a99 /vm | |
| parent | 6d422d5588b830464b31680a9076144a2b594113 (diff) | |
vm_allocate_contiguous: Avoid 64bit addresses for 32bit userland
Diffstat (limited to 'vm')
| -rw-r--r-- | vm/vm_user.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/vm/vm_user.c b/vm/vm_user.c index 7f706d71..c6dbda68 100644 --- a/vm/vm_user.c +++ b/vm/vm_user.c @@ -604,6 +604,11 @@ kern_return_t vm_allocate_contiguous( if (palign != PAGE_SIZE) return KERN_INVALID_ARGUMENT; +#ifdef USER32 + if (pmax > 0x100000000ULL) + pmax = 0x100000000ULL; +#endif + selector = VM_PAGE_SEL_DMA; if (pmax > VM_PAGE_DMA_LIMIT) #ifdef VM_PAGE_DMA32_LIMIT |