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Revert "FROMLIST: mm: multi-gen LRU: support page table walks"

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This reverts commit 5280d76d38.

To be replaced with upstream version.

Bug: 249601646
Change-Id: I5bf4095117082b6627d182a8d987ca78a18fa392
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
This commit is contained in:
Kalesh Singh
2022-11-07 15:59:16 -08:00
parent 52ed44a334
commit 02dc0d1dda
10 changed files with 13 additions and 1142 deletions
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9
kernel/fork.c
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@@ -1132,7 +1132,6 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
goto fail_nocontext;
mm->user_ns = get_user_ns(user_ns);
lru_gen_init_mm(mm);
return mm;
fail_nocontext:
@@ -1175,7 +1174,6 @@ static inline void __mmput(struct mm_struct *mm)
}
if (mm->binfmt)
module_put(mm->binfmt->module);
lru_gen_del_mm(mm);
mmdrop(mm);
}
@@ -2675,13 +2673,6 @@ pid_t kernel_clone(struct kernel_clone_args *args)
get_task_struct(p);
}
if (IS_ENABLED(CONFIG_LRU_GEN) && !(clone_flags & CLONE_VM)) {
/* lock the task to synchronize with memcg migration */
task_lock(p);
lru_gen_add_mm(p->mm);
task_unlock(p);
}
wake_up_new_task(p);
/* forking complete and child started to run, tell ptracer */