On 11/02/19 7:17 PM, Peter Zijlstra wrote:
> On Mon, Feb 11, 2019 at 12:53:55PM +, Chintan Pandya wrote:
>> Some of the page flags, like PG_locked is not supposed to
>> be set twice. Currently, there is no protection around this
>> and many callers directly tries to set this bit. Others
>>
On Mon, Feb 11, 2019 at 12:53:55PM +, Chintan Pandya wrote:
> Some of the page flags, like PG_locked is not supposed to
> be set twice. Currently, there is no protection around this
> and many callers directly tries to set this bit. Others
> follow trylock_page() which is much safer version of
Some of the page flags, like PG_locked is not supposed to
be set twice. Currently, there is no protection around this
and many callers directly tries to set this bit. Others
follow trylock_page() which is much safer version of the
same. But, for performance issues, we may not want to
implement
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