diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/slub.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/mm/slub.c b/mm/slub.c index e01d399894c4..d7d0d866b6b2 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -997,30 +997,11 @@ static unsigned long kmem_cache_flags(unsigned long objsize, void (*ctor)(struct kmem_cache *, void *)) { /* - * The page->offset field is only 16 bit wide. This is an offset - * in units of words from the beginning of an object. If the slab - * size is bigger then we cannot move the free pointer behind the - * object anymore. - * - * On 32 bit platforms the limit is 256k. On 64bit platforms - * the limit is 512k. - * - * Debugging or ctor may create a need to move the free - * pointer. Fail if this happens. + * Enable debugging if selected on the kernel commandline. */ - if (objsize >= 65535 * sizeof(void *)) { - BUG_ON(flags & (SLAB_RED_ZONE | SLAB_POISON | - SLAB_STORE_USER | SLAB_DESTROY_BY_RCU)); - BUG_ON(ctor); - } else { - /* - * Enable debugging if selected on the kernel commandline. - */ - if (slub_debug && (!slub_debug_slabs || - strncmp(slub_debug_slabs, name, - strlen(slub_debug_slabs)) == 0)) - flags |= slub_debug; - } + if (slub_debug && (!slub_debug_slabs || + strncmp(slub_debug_slabs, name, strlen(slub_debug_slabs)) == 0)) + flags |= slub_debug; return flags; } |