From: Qian Cai <quic_qiancai@quicinc.com>
To: Liam Howlett <liam.howlett@oracle.com>
Cc: "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
"Yu Zhao" <yuzhao@google.com>
Subject: Re: [PATCH v8 00/70] Introducing the Maple Tree
Date: Wed, 27 Apr 2022 16:21:45 -0400 [thread overview]
Message-ID: <20220427202145.GA2047@qian> (raw)
In-Reply-To: <20220427165139.5s3qcj2u5vqrvwlc@revolver>
On Wed, Apr 27, 2022 at 04:51:50PM +0000, Liam Howlett wrote:
> Thanks. This is indeed an issue with 0d43186b36c1 (mm/mlock: use vma
> iterator and instead of vma linked list)
>
> Andrew, Please include this patch as a fix.
Even with the patch applied, there are still thousands of memory leaks
reports from kmemleak after booting.
unreferenced object 0xffff400259bd6d00 (size 256):
comm "multipathd", pid 2577, jiffies 4294915929 (age 2370.384s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
slab_post_alloc_hook
kmem_cache_alloc_bulk
mas_alloc_nodes
mt_alloc_bulk at lib/maple_tree.c:151
(inlined by) mas_alloc_nodes at lib/maple_tree.c:1244
mas_preallocate
__vma_adjust
shift_arg_pages
setup_arg_pages
load_elf_binary
search_binary_handler
exec_binprm
bprm_execve
do_execveat_common.isra.0
__arm64_sys_execve
invoke_syscall
el0_svc_common.constprop.0
do_el0_svc
next prev parent reply other threads:[~2022-04-27 20:22 UTC|newest]
Thread overview: 114+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-26 15:06 [PATCH v8 00/70] Introducing the Maple Tree Liam Howlett
2022-04-26 15:06 ` [PATCH v8 02/70] radix tree test suite: add kmem_cache_set_non_kernel() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 01/70] radix tree test suite: add pr_err define Liam Howlett
2022-04-26 15:06 ` [PATCH v8 05/70] radix tree test suite: add lockdep_is_held to header Liam Howlett
2022-04-26 15:06 ` [PATCH v8 03/70] radix tree test suite: add allocation counts and size to kmem_cache Liam Howlett
2022-04-26 15:06 ` [PATCH v8 04/70] radix tree test suite: add support for slab bulk APIs Liam Howlett
2022-04-26 15:06 ` [PATCH v8 06/70] mips: rename mt_init to mips_mt_init Liam Howlett
2022-04-26 15:06 ` [PATCH v8 07/70] Maple Tree: add new data structure Liam Howlett
2022-04-27 15:45 ` Liam Howlett
2022-04-26 15:06 ` [PATCH v8 08/70] lib/test_maple_tree: add testing for maple tree Liam Howlett
2022-04-26 15:06 ` [PATCH v8 09/70] mm: start tracking VMAs with " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 10/70] mm: add VMA iterator Liam Howlett
2022-04-26 15:06 ` [PATCH v8 12/70] mm/mmap: use the maple tree in find_vma() instead of the rbtree Liam Howlett
2022-04-26 15:06 ` [PATCH v8 11/70] mmap: use the VMA iterator in count_vma_pages_range() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 13/70] mm/mmap: use the maple tree for find_vma_prev() instead of the rbtree Liam Howlett
2022-04-26 15:06 ` [PATCH v8 14/70] mm/mmap: use maple tree for unmapped_area{_topdown} Liam Howlett
2022-04-26 15:06 ` [PATCH v8 15/70] kernel/fork: use maple tree for dup_mmap() during forking Liam Howlett
2022-04-26 15:06 ` [PATCH v8 17/70] proc: remove VMA rbtree use from nommu Liam Howlett
2022-04-26 15:06 ` [PATCH v8 16/70] damon: Convert __damon_va_three_regions to use the VMA iterator Liam Howlett
2022-05-03 23:40 ` SeongJae Park
2022-04-26 15:06 ` [PATCH v8 18/70] mm: remove rb tree Liam Howlett
2022-04-26 15:06 ` [PATCH v8 19/70] mmap: change zeroing of maple tree in __vma_adjust() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 21/70] mm: optimize find_exact_vma() to use vma_lookup() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 20/70] xen: use vma_lookup() in privcmd_ioctl_mmap() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 23/70] mm/mmap: change do_brk_flags() to expand existing VMA and add do_brk_munmap() Liam Howlett
2022-04-28 16:09 ` Guenter Roeck
2022-04-28 16:35 ` Liam Howlett
2022-04-28 17:13 ` Guenter Roeck
2022-04-28 20:19 ` Guenter Roeck
2022-04-29 0:38 ` Liam Howlett
2022-04-29 1:16 ` Andrew Morton
2022-05-02 0:14 ` Liam Howlett
2022-05-02 0:24 ` Andrew Morton
2022-05-02 10:18 ` Heiko Carstens
2022-05-02 13:31 ` Liam Howlett
2022-05-02 18:50 ` Heiko Carstens
2022-05-03 19:48 ` Heiko Carstens
2022-05-03 21:55 ` Liam Howlett
2022-05-04 7:37 ` Janosch Frank
2022-05-04 18:31 ` David Hildenbrand
2022-05-04 18:47 ` Liam Howlett
2022-06-29 7:04 ` qemu-system-s390x hang in tcg (was: Re: [PATCH v8 23/70] mm/mmap: change do_brk_flags() to expand existing VMA and add do_brk_munmap()) Sven Schnelle
2022-06-29 8:10 ` Alex Bennée
2022-06-29 10:46 ` qemu-system-s390x hang in tcg Sven Schnelle
2022-06-29 12:18 ` Sven Schnelle
2022-06-29 14:52 ` Alex Bennée
2022-06-30 3:03 ` Richard Henderson
2022-05-02 7:08 ` [PATCH v8 23/70] mm/mmap: change do_brk_flags() to expand existing VMA and add do_brk_munmap() Juergen Gross
2022-04-26 15:06 ` [PATCH v8 22/70] mm/khugepaged: optimize collapse_pte_mapped_thp() by using vma_lookup() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 26/70] mm: remove vmacache Liam Howlett
2022-04-26 15:06 ` [PATCH v8 25/70] mm/mmap: use advanced maple tree API for mmap_region() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 24/70] mm: use maple tree operations for find_vma_intersection() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 27/70] mm: convert vma_lookup() to use mtree_load() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 28/70] mm/mmap: move mmap_region() below do_munmap() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 31/70] arm64: remove mmap linked list from vdso Liam Howlett
2022-04-26 15:06 ` [PATCH v8 29/70] mm/mmap: reorganize munmap to use maple states Liam Howlett
2022-04-26 15:06 ` [PATCH v8 30/70] mm/mmap: change do_brk_munmap() to use do_mas_align_munmap() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 34/70] powerpc: remove mmap linked list walks Liam Howlett
2022-04-26 15:06 ` [PATCH v8 32/70] arm64: Change elfcore for_each_mte_vma() to use VMA iterator Liam Howlett
2022-04-26 15:06 ` [PATCH v8 33/70] parisc: remove mmap linked list from cache handling Liam Howlett
2022-04-26 15:06 ` [PATCH v8 35/70] s390: remove vma linked list walks Liam Howlett
2022-04-26 15:06 ` [PATCH v8 38/70] cxl: remove vma linked list walk Liam Howlett
2022-04-26 15:06 ` [PATCH v8 37/70] xtensa: remove vma linked list walks Liam Howlett
2022-04-26 15:06 ` [PATCH v8 36/70] x86: " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 40/70] um: remove vma linked list walk Liam Howlett
2022-04-26 15:06 ` [PATCH v8 39/70] optee: " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 42/70] exec: use VMA iterator instead of linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 41/70] coredump: remove vma linked list walk Liam Howlett
2022-04-26 15:06 ` [PATCH v8 43/70] fs/proc/base: use maple tree iterators in place of linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 45/70] userfaultfd: use maple tree iterator to iterate VMAs Liam Howlett
2022-04-27 15:43 ` Liam Howlett
2022-04-26 15:06 ` [PATCH v8 44/70] fs/proc/task_mmu: stop using linked list and highest_vm_end Liam Howlett
2022-04-26 15:06 ` [PATCH v8 46/70] ipc/shm: use VMA iterator instead of linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 47/70] acct: " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 48/70] perf: use VMA iterator Liam Howlett
2022-04-26 15:06 ` [PATCH v8 50/70] fork: " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 49/70] sched: use maple tree iterator to walk VMAs Liam Howlett
2022-04-26 15:06 ` [PATCH v8 51/70] bpf: remove VMA linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 53/70] mm/khugepaged: stop using vma " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 52/70] mm/gup: use maple tree navigation instead of " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 56/70] mm/memcontrol: stop using mm->highest_vm_end Liam Howlett
2022-04-26 15:06 ` [PATCH v8 55/70] mm/madvise: use vma_find() instead of vma linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 54/70] mm/ksm: use vma iterators " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 57/70] mm/mempolicy: use vma iterator & maple state " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 59/70] mm/mprotect: use maple tree navigation " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 58/70] mm/mlock: use vma iterator and " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 60/70] mm/mremap: use vma_find_intersection() " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 61/70] mm/msync: use vma_find() " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 62/70] mm/oom_kill: use maple tree iterators " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 64/70] mm/swapfile: use vma iterator " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 63/70] mm/pagewalk: use vma_find() " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 66/70] nommu: remove uses of VMA " Liam Howlett
2022-04-28 16:05 ` Guenter Roeck
2022-04-28 16:31 ` Guenter Roeck
2022-04-29 20:16 ` Liam Howlett
2022-04-26 15:06 ` [PATCH v8 67/70] riscv: use vma iterator for vdso Liam Howlett
2022-04-26 15:06 ` [PATCH v8 65/70] i915: use the VMA iterator Liam Howlett
2022-04-26 15:06 ` [PATCH v8 68/70] mm: remove the vma linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 69/70] mm/mmap: drop range_has_overlap() function Liam Howlett
2022-04-26 15:06 ` [PATCH v8 70/70] mm/mmap.c: pass in mapping to __vma_link_file() Liam Howlett
2022-04-26 20:06 ` [PATCH v8 00/70] Introducing the Maple Tree Andrew Morton
2022-04-26 20:08 ` Andrew Morton
2022-04-26 20:23 ` Matthew Wilcox
2022-04-27 14:08 ` Liam Howlett
2022-04-27 17:33 ` Andrew Morton
2022-04-27 18:12 ` Matthew Wilcox
2022-05-01 20:26 ` Davidlohr Bueso
2022-05-01 23:56 ` Andrew Morton
2022-05-04 0:43 ` Liam Howlett
2022-04-28 2:28 ` Liam Howlett
2022-04-27 16:10 ` Qian Cai
2022-04-27 16:51 ` Liam Howlett
2022-04-27 20:21 ` Qian Cai [this message]
2022-04-27 22:41 ` Liam Howlett
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