What is PageSlab?

Sarbojit Ganguly unixman.linuxboy at gmail.com
Tue Jul 17 01:32:47 EDT 2012


Hello Peter,

Thank you for the extensive reply. I was studying memory management
and stumbled upon a function "PageSlab()"
whose definition I could not find anywhere. Hence I asked.

The last blog link was really good, bookmarked it. Thanks again!

On 17 July 2012 06:05, Peter Teoh <htmldeveloper at gmail.com> wrote:
>
>
> On Fri, Jul 13, 2012 at 8:35 PM, Sarbojit Ganguly
> <unixman.linuxboy at gmail.com> wrote:
>>
>> Hello Community,
>>
>> I was browsing the tree and in slub.c/ function kfree(), I found
>> "PageSlab"
>> I could not find its definition anywhere.
>>
>> Also, googling about it did not yield much help except for pointers to
>> various patches _using_ this.
>>
>> Can anyone explain what it is and where it is defined (if at all it
>> has a definition).
>
>
>
> I am not sure what is your motive behind asking this question - PageSlab can
> mean many different thing, but one thing in common is the concept of SLAB
> allocator:
>
> http://en.wikipedia.org/wiki/Slab_allocation
>
> http://www.ibm.com/developerworks/linux/library/l-linux-slab-allocator/
>
> And the first original paper from Bonwick:
>
> http://www.ezdoum.com/upload/20/20020412235505/bonwick94slab.pdf
>
> And here is a SLAB implementation by itself (for easier reading and reuse):
>
> http://code.google.com/p/memslab/
>
> And this page is for detailed description on SLAB:
>
> http://www.kernel.org/doc/gorman/html/understand/understand011.html
>
> http://lwn.net/Articles/320556/  (several variation of SLAB described,
> including the SLUB u mentioned above).
>
> which is used in several OS (Unix mainly).
>
> and this blog teaches u how to analyze SLAB usage patterns:
>
> http://flylib.com/books/en/4.454.1.55/1/
>
> http://3.bp.blogspot.com/_Z4Xjc19r9Dw/TSM3q2guB0I/AAAAAAAAAUo/1a_eQQGeXOo/s1600/Linux%2BMM.jpg
>
> etc...
>
>>
>>
>> --
>> Regards,
>> Sarbojit
>>
>> _______________________________________________
>> Kernelnewbies mailing list
>> Kernelnewbies at kernelnewbies.org
>> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>
>
>
>
> --
> Regards,
> Peter Teoh



-- 
Regards,
Sarbojit



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