On Fri, Oct 30, 2020 at 11:56:48PM +0100, Vlastimil Babka wrote:
> On 10/30/20 5:27 PM, Luis Chamberlain wrote:
> > On Mon, Oct 26, 2020 at 06:33:57PM +0100, Vlastimil Babka wrote:
> > > Commit 11c9c7edae06 ("mm/page_poison.c: replace bool variable with static
> > > key")
> > > changed page_poison
On 10/30/20 5:27 PM, Luis Chamberlain wrote:
On Mon, Oct 26, 2020 at 06:33:57PM +0100, Vlastimil Babka wrote:
Commit 11c9c7edae06 ("mm/page_poison.c: replace bool variable with static key")
changed page_poisoning_enabled() to a static key check. However, the function
is not inlined, so each chec
On Mon, Oct 26, 2020 at 06:33:57PM +0100, Vlastimil Babka wrote:
> Commit 11c9c7edae06 ("mm/page_poison.c: replace bool variable with static
> key")
> changed page_poisoning_enabled() to a static key check. However, the function
> is not inlined, so each check still involves a function call with o
On 26.10.20 18:33, Vlastimil Babka wrote:
Commit 11c9c7edae06 ("mm/page_poison.c: replace bool variable with static key")
changed page_poisoning_enabled() to a static key check. However, the function
is not inlined, so each check still involves a function call with overhead not
eliminated when pa
Commit 11c9c7edae06 ("mm/page_poison.c: replace bool variable with static key")
changed page_poisoning_enabled() to a static key check. However, the function
is not inlined, so each check still involves a function call with overhead not
eliminated when page poisoning is disabled.
Analogically to h
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