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commit 67c31476ccaf040fbe990bef02dd544296d43706
Author: Mike Kelly <[email protected]>
Date: Sat Feb 28 20:54:15 2026 +0000
Page allocation from a CPU pool does not consider vm_page_alloc_paused.
A non-empty CPU page pool always allocates pages even when
vm_page_alloc_paused is set. An unprivileged thread can therefore
acquire a signicant number of pages until the pool is empty. The cycle
can continue for a longer period if the pool is replenished by a VM
privileged thread before the unprivileged thread requests more pages
and in extreme cases can result in complete system memory exhaustion.
Message-ID: <[email protected]>
-----------------------------------------------------------------------
Summary of changes:
vm/vm_page.c | 5 +++++
1 file changed, 5 insertions(+)
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GNU Mach
