Re: [PATCH -resend] jbd2: revert must-not-fail allocation loops back to GFP_NOFAIL

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

 



On Mon, Jun 08, 2015 at 03:28:44PM +0200, Michal Hocko wrote:
> This basically reverts 47def82672b3 (jbd2: Remove __GFP_NOFAIL from jbd2
> layer). The deprecation of __GFP_NOFAIL was a bad choice because it led
> to open coding the endless loop around the allocator rather than
> removing the dependency on the non failing allocation. So the
> deprecation was a clear failure and the reality tells us that
> __GFP_NOFAIL is not even close to go away.
> 
> It is still true that __GFP_NOFAIL allocations are generally discouraged
> and new uses should be evaluated and an alternative (pre-allocations or
> reservations) should be considered but it doesn't make any sense to lie
> the allocator about the requirements. Allocator can take steps to help
> making a progress if it knows the requirements.
> 
> Signed-off-by: Michal Hocko <mhocko@xxxxxxx>
> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>

Applied, thanks.

						- Ted

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]