Messages in this thread |  | | Date | Mon, 9 Apr 2018 15:17:31 +0200 | From | Oleg Nesterov <> | Subject | Re: [PATCH v2 7/9] trace_uprobe/sdt: Fix multiple update of same reference counter |
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On 04/04, Ravi Bangoria wrote: > > +static void sdt_add_mm_list(struct trace_uprobe *tu, struct mm_struct *mm) > +{ > + struct mmu_notifier *mn; > + struct sdt_mm_list *sml = kzalloc(sizeof(*sml), GFP_KERNEL); > + > + if (!sml) > + return; > + sml->mm = mm; > + list_add(&(sml->list), &(tu->sml.list)); > + > + /* Register mmu_notifier for this mm. */ > + mn = kzalloc(sizeof(*mn), GFP_KERNEL); > + if (!mn) > + return; > + > + mn->ops = &sdt_mmu_notifier_ops; > + __mmu_notifier_register(mn, mm); > +}
I didn't read this version yet, just one question...
So now it depends on CONFIG_MMU_NOTIFIER, yes? I do not see any changes in Kconfig files, this doesn't look right...
Oleg.
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