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ANDROID: export find_user() & free_uid()for GKI purpose.

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Exporting the symbol find_user()& free_uid(), in which ko module can get
user task information for tuning.

Bug: 183674818

Signed-off-by: lijianzhong <lijianzhong@xiaomi.com>
Change-Id: I12135c0af312904dd21b6f074beda086ad5ece98
This commit is contained in:
lijianzhong 2021-04-22 19:24:16 +08:00 committed by Todd Kjos
parent bc7711817e
commit 16350016d8
1 changed files with 2 additions and 0 deletions
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2
kernel/user.c
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@ -160,6 +160,7 @@ struct user_struct *find_user(kuid_t uid)
spin_unlock_irqrestore(&uidhash_lock, flags); spin_unlock_irqrestore(&uidhash_lock, flags);
return ret; return ret;
} }
EXPORT_SYMBOL_GPL(find_user);
void free_uid(struct user_struct *up) void free_uid(struct user_struct *up)
{ {
@ -171,6 +172,7 @@ void free_uid(struct user_struct *up)
if (refcount_dec_and_lock_irqsave(&up->__count, &uidhash_lock, &flags)) if (refcount_dec_and_lock_irqsave(&up->__count, &uidhash_lock, &flags))
free_user(up, flags); free_user(up, flags);
} }
EXPORT_SYMBOL_GPL(free_uid);
struct user_struct *alloc_uid(kuid_t uid) struct user_struct *alloc_uid(kuid_t uid)
{ {