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authorHendrik Brueckner <brueckner@linux.vnet.ibm.com>2015-02-09 18:47:00 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2015-02-10 18:39:05 +0300
commit6a039eab53c01a58bfff95c78fc800ca7de27c77 (patch)
tree5b5cc1f503f91db9aaf9b8c1907567e722313e79 /Makefile
parenta178220df3a55c3ec46c2c2f0788a377acdb79c3 (diff)
downloadlinux-6a039eab53c01a58bfff95c78fc800ca7de27c77.tar.xz
s390/process: free vx save area when releasing tasks
If a task uses vector registers, a save area is allocated to save/restore register states. Free the save area when releasing the task. Found the Memory leak with kmemleak: unreferenced object 0x72885e00 (size 512): comm "vx-test", pid 26123, jiffies 4294945635 (age 256.810s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 01 db 71 06 41 .............q.A 00 00 00 00 00 00 00 00 24 f7 a9 a7 51 94 79 bb ........$...Q.y. backtrace: [<00000000002d1c8a>] kmem_cache_alloc_trace+0x272/0x3d0 [<00000000001014ac>] alloc_vector_registers+0x54/0x138 [<00000000001017c8>] data_exception+0x158/0x1b0 [<00000000008b551e>] pgm_check_handler+0x13e/0x180 [<00000000800008b6>] 0x800008b6 Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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