[linux-mm-cc] Is swap notify in 2.6.34?

[Nitin Gupta]

On 05/31/2010 09:02 AM, John McCabe-Dansted wrote:
> On Sat, May 22, 2010 at 3:01 PM, Nitin Gupta <ngupta at vflare.org> wrote:
>>>> First of all a big thank you work working on compcache!
>>>> Is sawp notify support already in 2.6.34
> ...
>> Its now in mainline. So, it will be part of 2.6.35 :)
> 
> Weird I have updated to the latest kernel but I cannot find
> swap_slot_free_notify in swap.h.
> 
> $ git pull
> Already up-to-date.
> $ grep url .git/config
> 	url = git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
> $ grep notify include/linux/swap.h
> $
> 
> Am I looking in the "wrong" mainline?
> 

You are looking at the right tree but the wrong file.
Changes are in include/linux/blkdev.h, mm/swapfile.c
and ramzswap_drv.c. See these three commits:

(git show <commit_no>)

commit b27256439568950f30864ccecaeb6dfb588089d5
swap: Add flag to identify block swap devices

commit b3a27d0529c6e5206f1b60f60263e3ecfd0d77cb
swap: Add swap slot free callback to block_device_operations

commit 107c161b7ddeeb7da43509cc6b29211885ccd9af
Staging: ramzswap: Handler for swap slot free callback

Thanks,
Nitin