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| author |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 15:16:08 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 15:16:15 +0100 |
| commit | e73b7fffe487c315fd1a4fa22282e3362b440a06 (patch) | |
| tree | a6e2e205054d042e2512aba0f54d610233b94001 /tools/perf/scripts/python/syscall-counts.py | |
| parent | [S390] user per registers vs. ptrace single stepping (diff) | |
| download | linux-dev-e73b7fffe487c315fd1a4fa22282e3362b440a06.tar.xz linux-dev-e73b7fffe487c315fd1a4fa22282e3362b440a06.zip | |
[S390] memory leak with RCU_TABLE_FREE
The rcu page table free code uses a couple of bits in the page table
pointer passed to tlb_remove_table to discern the different page table
types. __tlb_remove_table extracts the type with an incorrect mask which
leads to memory leaks. The correct mask is ((FRAG_MASK << 4) | FRAG_MASK).
Cc: stable@kernel.org
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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