diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-08-13 20:11:19 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-08-13 20:13:37 +0200 |
| commit | f4c38f0bb27cd41abef69a03495d6eaf1ac215ed (patch) | |
| tree | d05ab20a5dfe4e1c2730c1c0ed7d81cd8ff19f1c /kern | |
| parent | a0feecf7d2c79aca27b443a983aa0d52888f8a36 (diff) | |
slab [SLAB_VERIFY]: Do not enable KMEM_CF_VERIFY on large slabs
That would be refused by kmem_cache_compute_properties later on anyway,
and prevent the kernel from booting at all.
Diffstat (limited to 'kern')
| -rw-r--r-- | kern/slab.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kern/slab.c b/kern/slab.c index e26567fb..d4b6b7a3 100644 --- a/kern/slab.c +++ b/kern/slab.c @@ -814,10 +814,10 @@ void kmem_cache_init(struct kmem_cache *cache, const char *name, #endif /* SLAB_USE_CPU_POOLS */ size_t buf_size; -#if SLAB_VERIFY - cache->flags = KMEM_CF_VERIFY; -#else /* SLAB_VERIFY */ cache->flags = 0; +#if SLAB_VERIFY + if (obj_size <= PAGE_SIZE - sizeof(union kmem_bufctl) + sizeof(struct kmem_buftag)) + cache->flags |= KMEM_CF_VERIFY; #endif /* SLAB_VERIFY */ if (flags & KMEM_CACHE_VERIFY) |