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Revert "Kernel: Make DoubleBuffer use a KBuffer instead of kmalloc()ing"

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This reverts commit 1cca5142af.

This appears to be causing intermittent triple-faults and I don't know
why yet, so I'll just revert it to keep the tree in decent shape.
This commit is contained in:
Andreas Kling 2019-10-18 15:58:06 +02:00
parent 1cca5142af
commit ec65b8db2e
5 changed files with 34 additions and 53 deletions
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2
Kernel/FileSystem/FIFO.cpp
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@ -90,7 +90,7 @@ bool FIFO::can_read(FileDescription&) const
bool FIFO::can_write(FileDescription&) const
{
return m_buffer.space_for_writing() || !m_readers;
return m_buffer.bytes_in_write_buffer() < 4096 || !m_readers;
}
ssize_t FIFO::read(FileDescription&, u8* buffer, ssize_t size)