On 20.04.22 19:10, Vlastimil Babka wrote:
> On 3/29/22 18:43, David Hildenbrand wrote:
>> Currently, we clear PG_anon_exclusive in try_to_unmap() and forget about
>> it. We do this, to keep fork() logic on swap entries easy and efficient:
>> for example, if we wouldn't clear it when unmapping,
On 3/29/22 18:43, David Hildenbrand wrote:
> Currently, we clear PG_anon_exclusive in try_to_unmap() and forget about
> it. We do this, to keep fork() logic on swap entries easy and efficient:
> for example, if we wouldn't clear it when unmapping, we'd have to lookup
> the page in the swapcache
Currently, we clear PG_anon_exclusive in try_to_unmap() and forget about
it. We do this, to keep fork() logic on swap entries easy and efficient:
for example, if we wouldn't clear it when unmapping, we'd have to lookup
the page in the swapcache for each and every swap entry during fork() and
clear