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SubjectRe: [PATCH v8 00/70] Introducing the Maple Tree
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

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