Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kernel: Use per cpu fast pages for DiskCache

Browse Source 
This makes accessing disk cache a lot faster
This commit is contained in:
Bananymous
2026-05-20 00:17:51 +03:00
parent 7704e3c5c0
commit 5cb5ae2dfe
1 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
kernel/kernel/Storage/DiskCache.cpp
View File

@@ -66,8 +66,8 @@ namespace Kernel
if (!(cache.sector_mask & (1 << page_cache_offset)))
return false;
PageTable::with_fast_page(cache.paddr, [&] {
memcpy(buffer.data(), PageTable::fast_page_as_ptr(page_cache_offset * m_sector_size), m_sector_size);
PageTable::with_per_cpu_fast_page(cache.paddr, [&](void* addr) {
memcpy(buffer.data(), static_cast<uint8_t*>(addr) + page_cache_offset * m_sector_size, m_sector_size);
});
return true;
@@ -107,8 +107,8 @@ namespace Kernel
auto& cache = m_cache[index];
PageTable::with_fast_page(cache.paddr, [&] {
memcpy(PageTable::fast_page_as_ptr(page_cache_offset * m_sector_size), buffer.data(), m_sector_size);
PageTable::with_per_cpu_fast_page(cache.paddr, [&](void* addr) {
memcpy(static_cast<uint8_t*>(addr) + page_cache_offset * m_sector_size, buffer.data(), m_sector_size);
});
cache.sector_mask |= 1 << page_cache_offset;
@@ -133,8 +133,8 @@ namespace Kernel
if (cache.dirty_mask == 0)
return {};
PageTable::with_fast_page(cache.paddr, [&] {
memcpy(m_sync_cache.data(), PageTable::fast_page_as_ptr(), PAGE_SIZE);
PageTable::with_per_cpu_fast_page(cache.paddr, [&](void* addr) {
memcpy(m_sync_cache.data(), addr, PAGE_SIZE);
});
temp_cache = cache;