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(parent: 2793784) | patch
s390: TASK_SIZE for kernel threads
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 24 Feb 2017 06:43:51 +0000 (07:43 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 24 Feb 2017 07:43:38 +0000 (08:43 +0100)
commitfb94a687d96c570d46332a4a890f1dcb7310e643
tree3f6eeda4463d114764f726b48949728a355b862dtree
parent2793784307688a7a72bd322727a2cb11dede875fcommit | diff
s390: TASK_SIZE for kernel threads

Return a sensible value if TASK_SIZE if called from a kernel thread.

This gets us around an issue with copy_mount_options that does a magic
size calculation "TASK_SIZE - (unsigned long)data" while in a kernel
thread and data pointing to kernel space.

Cc: <stable@vger.kernel.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/processor.h diff | blob | blame | history
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