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Remove obsolete comment about guard pages

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Remove an obsolete comment that refers to code removed by commit
79c6e4c4. The code and comment related to space consumed by guard
pages in user-space stacks, which we no longer take into account.

Signed-off-by: Ned Bass <bass6@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2722
This commit is contained in:
Ned Bass 2014-09-19 11:42:13 -07:00 committed by Brian Behlendorf
parent 5043deaa40
commit cfd3549a53
1 changed files with 0 additions and 6 deletions
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6
lib/libzpool/kernel.c
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@ -168,12 +168,6 @@ zk_thread_create(caddr_t stk, size_t stksize, thread_func_t func, void *arg,
* PTHREAD_STACK_MIN is the minimum stack required for a NULL
* procedure in user space and is added in to the stack
* requirements.
*
* Some buggy NPTL threading implementations include the
* guard area within the stack size allocations. In
* this case we allocate an extra page to account for the
* guard area since we only have two pages of usable stack
* on Linux.
*/
stack = PTHREAD_STACK_MIN + MAX(stksize, STACK_SIZE) * 4;