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| author | Andreas Kling <kling@serenityos.org> | 2021-02-14 09:57:19 +0100 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2021-02-14 10:01:50 +0100 |
| commit | 09b1b09c1923c5e82c5500a06c501088ab5ac4ce (patch) | |
| tree | f57307d460c8856604dfa21f3ab27b7a449cd4bc /Kernel/VM/InodeVMObject.cpp | |
| parent | 198d64180886e6fad2997513c4c8f68b1338f4e4 (diff) | |
| download | serenity-09b1b09c1923c5e82c5500a06c501088ab5ac4ce.zip | |
Kernel: Assert if rounding-up-to-page-size would wrap around to 0
If we try to align a number above 0xfffff000 to the next multiple of
the page size (4 KiB), it would wrap around to 0. This is most likely
never what we want, so let's assert if that happens.
Diffstat (limited to 'Kernel/VM/InodeVMObject.cpp')
| -rw-r--r-- | Kernel/VM/InodeVMObject.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Kernel/VM/InodeVMObject.cpp b/Kernel/VM/InodeVMObject.cpp index 7676fcad08..4f8799142e 100644 --- a/Kernel/VM/InodeVMObject.cpp +++ b/Kernel/VM/InodeVMObject.cpp @@ -77,7 +77,7 @@ void InodeVMObject::inode_size_changed(Badge<Inode>, size_t old_size, size_t new InterruptDisabler disabler; - auto new_page_count = PAGE_ROUND_UP(new_size) / PAGE_SIZE; + auto new_page_count = page_round_up(new_size) / PAGE_SIZE; m_physical_pages.resize(new_page_count); m_dirty_pages.grow(new_page_count, false); |