diff options
| -rw-r--r-- | mm/kfence/core.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mm/kfence/core.c b/mm/kfence/core.c index af82c6f7d723..a527f2769ea8 100644 --- a/mm/kfence/core.c +++ b/mm/kfence/core.c @@ -515,6 +515,7 @@ static bool __init kfence_init_pool(void) { unsigned long addr = (unsigned long)__kfence_pool; struct page *pages; + char *p; int i; if (!__kfence_pool) @@ -598,6 +599,16 @@ err: * fails for the first page, and therefore expect addr==__kfence_pool in * most failure cases. */ + for (p = (char *)addr; p < __kfence_pool + KFENCE_POOL_SIZE; p += PAGE_SIZE) { + struct slab *slab = virt_to_slab(p); + + if (!slab) + continue; +#ifdef CONFIG_MEMCG + slab->memcg_data = 0; +#endif + __folio_clear_slab(slab_folio(slab)); + } memblock_free_late(__pa(addr), KFENCE_POOL_SIZE - (addr - (unsigned long)__kfence_pool)); __kfence_pool = NULL; return false; |