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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-10-09 22:30:23 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-10-09 22:30:23 -0700 |
| commit | 5f8f8574c7f5585b09a9623f0f13462e4eb67b4d (patch) | |
| tree | 8f1d5e88bf9604a9e39fbcce0e37b3d8cee451bb /mm/kfence | |
| parent | e62563db857f81d75c5726a35bc0180bed6d1540 (diff) | |
| parent | fe5b6aaef72a0f7daa06e7960e0bee45c2984e41 (diff) | |
| download | linux-5f8f8574c7f5585b09a9623f0f13462e4eb67b4d.tar.gz linux-5f8f8574c7f5585b09a9623f0f13462e4eb67b4d.tar.bz2 linux-5f8f8574c7f5585b09a9623f0f13462e4eb67b4d.zip | |
Merge branch 'next' into for-linus
Prepare input updates for 6.1 merge window.
Diffstat (limited to 'mm/kfence')
| -rw-r--r-- | mm/kfence/core.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/mm/kfence/core.c b/mm/kfence/core.c index 4b5e5a3d3a63..c252081b11df 100644 --- a/mm/kfence/core.c +++ b/mm/kfence/core.c @@ -546,7 +546,7 @@ static unsigned long kfence_init_pool(void) if (!arch_kfence_init_pool()) return addr; - pages = virt_to_page(addr); + pages = virt_to_page(__kfence_pool); /* * Set up object pages: they must have PG_slab set, to avoid freeing @@ -603,14 +603,6 @@ static unsigned long kfence_init_pool(void) addr += 2 * PAGE_SIZE; } - /* - * The pool is live and will never be deallocated from this point on. - * Remove the pool object from the kmemleak object tree, as it would - * otherwise overlap with allocations returned by kfence_alloc(), which - * are registered with kmemleak through the slab post-alloc hook. - */ - kmemleak_free(__kfence_pool); - return 0; } @@ -623,8 +615,16 @@ static bool __init kfence_init_pool_early(void) addr = kfence_init_pool(); - if (!addr) + if (!addr) { + /* + * The pool is live and will never be deallocated from this point on. + * Ignore the pool object from the kmemleak phys object tree, as it would + * otherwise overlap with allocations returned by kfence_alloc(), which + * are registered with kmemleak through the slab post-alloc hook. + */ + kmemleak_ignore_phys(__pa(__kfence_pool)); return true; + } /* * Only release unprotected pages, and do not try to go back and change @@ -660,7 +660,7 @@ static bool kfence_init_pool_late(void) /* Same as above. */ free_size = KFENCE_POOL_SIZE - (addr - (unsigned long)__kfence_pool); #ifdef CONFIG_CONTIG_ALLOC - free_contig_range(page_to_pfn(virt_to_page(addr)), free_size / PAGE_SIZE); + free_contig_range(page_to_pfn(virt_to_page((void *)addr)), free_size / PAGE_SIZE); #else free_pages_exact((void *)addr, free_size); #endif |
