On Thu, 4 Mar 2021 22:05:48 +0100 Alexander Potapenko <glider@xxxxxxxxxx> wrote: > On Thu, Mar 4, 2021 at 9:53 PM Marco Elver <elver@xxxxxxxxxx> wrote: > > > > cache_alloc_debugcheck_after() performs checks on an object, including > > adjusting the returned pointer. None of this should apply to KFENCE > > objects. While for non-bulk allocations, the checks are skipped when we > > allocate via KFENCE, for bulk allocations cache_alloc_debugcheck_after() > > is called via cache_alloc_debugcheck_after_bulk(). > > @Andrew, is this code used by anyone? > As far as I understand, it cannot be enabled by any config option, so > nobody really tests it. > If it is still needed, shall we promote #if DEBUGs in slab.c to a > separate config option, or maybe this code can be safely removed? It's all used: #ifdef CONFIG_DEBUG_SLAB #define DEBUG 1 #define STATS 1 #define FORCED_DEBUG 1 #else #define DEBUG 0 #define STATS 0 #define FORCED_DEBUG 0 #endif
