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Avoid repetitive locking for clearing cache

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Zhang Junyang
2025-03-20 20:22:48 +08:00
committed by Tate, Hongliang Tian
parent e5be154ca8
commit 83b9ebf87d
2 changed files with 27 additions and 20 deletions
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27
osdk/deps/frame-allocator/src/pools/mod.rs
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@ -82,8 +82,7 @@ pub(super) fn alloc(guard: &DisabledLocalIrqGuard, layout: Layout) -> Option<Pad
do_dealloc(
&mut local_pool,
&mut global_pool,
chunk_addr + layout.size(),
allocated_size - layout.size(),
[(chunk_addr + layout.size(), allocated_size - layout.size())].into_iter(),
);
}
}
@ -95,12 +94,15 @@ pub(super) fn alloc(guard: &DisabledLocalIrqGuard, layout: Layout) -> Option<Pad
chunk_addr
}
pub(super) fn dealloc(guard: &DisabledLocalIrqGuard, addr: Paddr, size: usize) {
pub(super) fn dealloc(
guard: &DisabledLocalIrqGuard,
segments: impl Iterator<Item = (Paddr, usize)>,
) {
let local_pool_cell = LOCAL_POOL.get_with(guard);
let mut local_pool = local_pool_cell.borrow_mut();
let mut global_pool = OnDemandGlobalLock::new();
do_dealloc(&mut local_pool, &mut global_pool, addr, size);
do_dealloc(&mut local_pool, &mut global_pool, segments);
balancing::balance(local_pool.deref_mut(), &mut global_pool);
@ -120,15 +122,16 @@ pub(super) fn add_free_memory(_guard: &DisabledLocalIrqGuard, addr: Paddr, size:
fn do_dealloc(
local_pool: &mut BuddySet<MAX_LOCAL_BUDDY_ORDER>,
global_pool: &mut OnDemandGlobalLock,
addr: Paddr,
size: usize,
segments: impl Iterator<Item = (Paddr, usize)>,
) {
split_to_chunks(addr, size).for_each(|(addr, order)| {
if order >= MAX_LOCAL_BUDDY_ORDER {
global_pool.get().insert_chunk(addr, order);
} else {
local_pool.insert_chunk(addr, order);
}
segments.for_each(|(addr, size)| {
split_to_chunks(addr, size).for_each(|(addr, order)| {
if order >= MAX_LOCAL_BUDDY_ORDER {
global_pool.get().insert_chunk(addr, order);
} else {
local_pool.insert_chunk(addr, order);
}
});
});
}