Messages in this thread | | | Date | Sun, 20 Apr 2008 12:02:50 +0100 | From | Alan Cox <> | Subject | Re: x86: 4kstacks default |
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> The code in the kernel that gets the fewest coverage at all are our > error paths, and some vendor might try 4k stacks, validate it works in > all use cases - and then it will blow up in some error condition he > didn't test.
Which you won't fix by changing the x86 defaults. More of a problem in embedded small devices is the 8K allocation failing in the first place - plus 4K x 80 processes == lots.
> And from a QA point of view the only way of getting 4k thoroughly tested > by users, and well also tested in -rc kernels for catching regressions > before they get into stable kernels, is if we get 4k stacks enabled > unconditionally on i386.
At which point some distros will simply patch it back no doubt.
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