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| author | Liav A <liavalb@gmail.com> | 2021-09-18 14:44:27 +0300 |
|---|---|---|
| committer | Idan Horowitz <idan.horowitz@gmail.com> | 2021-09-18 17:49:24 +0300 |
| commit | 86fa5d71c06134b5d0a23ec2d9a8eb495bd771f9 (patch) | |
| tree | 8ffcd08d5090b9362d5cf329ec8b8fb6f6483879 | |
| parent | a27716846f14766a4a0f2b1495164021fd793ee3 (diff) | |
| download | serenity-86fa5d71c06134b5d0a23ec2d9a8eb495bd771f9.zip | |
Kernel/Memory: Add more super pages to satisfy contiguous allocations
When testing the RTL8168 driver, it seems we can't allocate super pages
anymore. Either we expand the super pages range, or find a solution to
dynamically expand the range (or let drivers utilize other ranges).
| -rw-r--r-- | Kernel/Memory/MemoryManager.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Kernel/Memory/MemoryManager.cpp b/Kernel/Memory/MemoryManager.cpp index dcbb9be71e..dcf90d571b 100644 --- a/Kernel/Memory/MemoryManager.cpp +++ b/Kernel/Memory/MemoryManager.cpp @@ -38,7 +38,9 @@ extern multiboot_module_entry_t multiboot_copy_boot_modules_array[16]; extern size_t multiboot_copy_boot_modules_count; // Treat the super pages as logically separate from .bss -__attribute__((section(".super_pages"))) static u8 super_pages[1 * MiB]; +// FIXME: Find a solution so we don't need to expand this range each time +// we are in a situation too many drivers try to allocate super pages. +__attribute__((section(".super_pages"))) static u8 super_pages[4 * MiB]; namespace Kernel::Memory { |