The patch titled Subject: mm/damon/dbgfs: use operations id for knowing if the target has pid has been added to the -mm tree. Its filename is mm-damon-dbgfs-use-operations-id-for-knowing-if-the-target-has-pid.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-damon-dbgfs-use-operations-id-for-knowing-if-the-target-has-pid.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-damon-dbgfs-use-operations-id-for-knowing-if-the-target-has-pid.patch 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 and is updated there every 3-4 working days ------------------------------------------------------ From: SeongJae Park <sj@xxxxxxxxxx> Subject: mm/damon/dbgfs: use operations id for knowing if the target has pid DAMON debugfs interface depends on monitoring operations for virtual address spaces because it knows if the target has pid or not by seeing if the context is configured to use one of the virtual address space monitoring operation functions. We can replace that check with 'enum damon_ops_id' now, to make it independent. This commit makes the change. Link: https://lkml.kernel.org/r/20220215184603.1479-7-sj@xxxxxxxxxx Signed-off-by: SeongJae Park <sj@xxxxxxxxxx> Cc: David Rientjes <rientjes@xxxxxxxxxx> Cc: Xin Hao <xhao@xxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/damon/dbgfs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/mm/damon/dbgfs.c~mm-damon-dbgfs-use-operations-id-for-knowing-if-the-target-has-pid +++ a/mm/damon/dbgfs.c @@ -277,7 +277,7 @@ out: static inline bool target_has_pid(const struct damon_ctx *ctx) { - return ctx->ops.target_valid == damon_va_target_valid; + return ctx->ops.id == DAMON_OPS_VADDR; } static ssize_t sprint_target_ids(struct damon_ctx *ctx, char *buf, ssize_t len) @@ -741,8 +741,8 @@ static struct damon_ctx *dbgfs_new_ctx(v if (!ctx) return NULL; - if (damon_select_ops(ctx, DAMON_OPS_VADDR) && damon_select_ops(ctx, - DAMON_OPS_PADDR)) { + if (damon_select_ops(ctx, DAMON_OPS_VADDR) && + damon_select_ops(ctx, DAMON_OPS_PADDR)) { damon_destroy_ctx(ctx); return NULL; } _ Patches currently in -mm which might be from sj@xxxxxxxxxx are mm-munlock-mlock_page-munlock_page-batch-by-pagevec-fix-2.patch mm-damon-dbgfs-init_regions-use-target-index-instead-of-target-id.patch docs-admin-guide-mm-damon-usage-update-for-changed-initail_regions-file-input.patch mm-damon-core-move-damon_set_targets-into-dbgfs.patch mm-damon-remove-the-target-id-concept.patch mm-damon-rename-damon_primitives-to-damon_operations.patch mm-damon-let-monitoring-operations-can-be-registered-and-selected.patch mm-damon-paddrvaddr-register-themselves-to-damon-in-subsys_initcall.patch mm-damon-reclaim-use-damon_select_ops-instead-of-damon_vpa_set_operations.patch mm-damon-dbgfs-use-damon_select_ops-instead-of-damon_vpa_set_operations.patch mm-damon-dbgfs-use-operations-id-for-knowing-if-the-target-has-pid.patch mm-damon-dbgfs-test-fix-is_target_id-change.patch mm-damon-paddrvaddr-remove-damon_pva_target_validset_operations.patch