cvs commit: src/lib/libc/sys mincore.2 src/sys/vm vm_mmap.c

Alan Cox alc at
Wed Jun 21 17:44:05 UTC 2006

John-Mark Gurney wrote:

>Konstantin Belousov wrote this message on Wed, Jun 21, 2006 at 12:59 +0000:
>>  Modified files:
>>    lib/libc/sys         mincore.2 
>>    sys/vm               vm_mmap.c 
>>  Log:
>>  Make the mincore(2) return ENOMEM when requested range is not fully mapped.
>Is this change to be posix compliant or something?  ENOMEM seems like
>the wrong error, or are we allocating memory?
>#define ENOMEM          12              /* Cannot allocate memory */
>the original EINVAL seems to me the correct one, as is commonly used
>when the data passed in is incorrect...
I looked at this when the patch was proposed.  ENOMEM is the de facto 
standard error for this case.  To the best of my knowledge, there is no 
officially-sanctioned specification for mincore(2).


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