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add comment (#22846)

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This commit is contained in:
Jeff Washington (jwash)
2022-01-31 11:40:19 -06:00
committed by GitHub
parent fb95fa68a2
commit d60dac9749
1 changed files with 2 additions and 0 deletions
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runtime/src/accounts_index.rs
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@ -504,6 +504,7 @@ impl RollingBitField {
} }
} }
/// remove key from set, return if item was in the set
pub fn remove(&mut self, key: &u64) -> bool { pub fn remove(&mut self, key: &u64) -> bool {
if key >= &self.min { if key >= &self.min {
// if asked to remove something bigger than max, then no-op // if asked to remove something bigger than max, then no-op
@ -1891,6 +1892,7 @@ impl<T: IndexValue> AccountsIndex<T> {
/// Remove the slot when the storage for the slot is freed /// Remove the slot when the storage for the slot is freed
/// Accounts no longer reference this slot. /// Accounts no longer reference this slot.
/// return true if slot was a root
pub fn clean_dead_slot(&self, slot: Slot, stats: &mut AccountsIndexRootsStats) -> bool { pub fn clean_dead_slot(&self, slot: Slot, stats: &mut AccountsIndexRootsStats) -> bool {
let mut w_roots_tracker = self.roots_tracker.write().unwrap(); let mut w_roots_tracker = self.roots_tracker.write().unwrap();
let removed_from_unclean_roots = w_roots_tracker.uncleaned_roots.remove(&slot); let removed_from_unclean_roots = w_roots_tracker.uncleaned_roots.remove(&slot);