Re: [patch 1/2] mm: speculative get_page

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Oleg Nesterov wrote:
On 08/01, Dave Kleikamp wrote:

Isn't the page locked when calling remove_mapping()?  It looks like
SetPageNoNewRefs & ClearPageNoNewRefs are called in safe places.  Either
the page is locked, or it's newly allocated.  I could have missed
something, though.


No, I think it is I who missed something, thanks.

Yeah, SetPageNoNewRefs is indeed called only under PageLocked or for
newly allocated pages. I should make a note about that, as it isn't
immediately clear.

Thanks

--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com -
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux