The patch titled Subject: mm: kfence: convert to DEFINE_SEQ_ATTRIBUTE has been added to the -mm mm-unstable branch. Its filename is mm-kfence-convert-to-define_seq_attribute.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-kfence-convert-to-define_seq_attribute.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Liu Shixin <liushixin2@xxxxxxxxxx> Subject: mm: kfence: convert to DEFINE_SEQ_ATTRIBUTE Date: Fri, 9 Sep 2022 16:31:40 +0800 Use DEFINE_SEQ_ATTRIBUTE helper macro to simplify the code. Link: https://lkml.kernel.org/r/20220909083140.3592919-1-liushixin2@xxxxxxxxxx Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx> Reviewed-by: Marco Elver <elver@xxxxxxxxxx> Tested-by: Marco Elver <elver@xxxxxxxxxx> Cc: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/kfence/core.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) --- a/mm/kfence/core.c~mm-kfence-convert-to-define_seq_attribute +++ a/mm/kfence/core.c @@ -719,24 +719,13 @@ static int show_object(struct seq_file * return 0; } -static const struct seq_operations object_seqops = { +static const struct seq_operations objects_sops = { .start = start_object, .next = next_object, .stop = stop_object, .show = show_object, }; - -static int open_objects(struct inode *inode, struct file *file) -{ - return seq_open(file, &object_seqops); -} - -static const struct file_operations objects_fops = { - .open = open_objects, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; +DEFINE_SEQ_ATTRIBUTE(objects); static int __init kfence_debugfs_init(void) { _ Patches currently in -mm which might be from liushixin2@xxxxxxxxxx are mm-thp-simplify-has_transparent_hugepage-by-using-is_builtin.patch mm-thp-remove-redundant-config_transparent_hugepage.patch mm-kmemleak-make-create_object-return-void.patch mm-huge_memory-prevent-thp_zero_page_alloc-increased-twice.patch mm-memcontrol-use-kstrtobool-for-swapaccount-param-parsing.patch mm-shuffle-convert-module_param_call-to-module_param_cb.patch mm-kfence-convert-to-define_seq_attribute.patch