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Fix unnecessary page table activation

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This commit is contained in:
Qingsong Chen
2024-07-30 07:16:55 +00:00
committed by Tate, Hongliang Tian
parent 8dce83605f
commit b5f8e4e7bb
1 changed files with 2 additions and 2 deletions
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4
ostd/src/mm/page_table/node.rs
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@ -128,12 +128,12 @@ where
let last_activated_paddr = current_page_table_paddr(); let last_activated_paddr = current_page_table_paddr();
activate_page_table(self.raw, CachePolicy::Writeback);
if last_activated_paddr == self.raw { if last_activated_paddr == self.raw {
return; return;
} }
activate_page_table(self.raw, CachePolicy::Writeback);
// Increment the reference count of the current page table. // Increment the reference count of the current page table.
self.inc_ref_count(); self.inc_ref_count();