Re: [RFC][PATCH 3/3] TCP/IP Critical socket communication mechanism

Mitchell Blank Jr wrote:
> Alan Cox wrote:
> > > +#define SK_CRIT_ALLOC(sk, flags) ((sk->sk_allocation & __GFP_CRITICAL) | flags)
> > 
> > Lots of hidden conditional logic on critical paths.
> 
> How expensive is it compared to the allocation itself?

Cost is readability here. You should open code this additional OR


Regards

Ingo Oeser


-
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/

References:
- [RFC][PATCH 3/3] TCP/IP Critical socket communication mechanism
  - From: Sridhar Samudrala <[email protected]>
- Re: [RFC][PATCH 3/3] TCP/IP Critical socket communication mechanism
  - From: Alan Cox <[email protected]>
- Re: [RFC][PATCH 3/3] TCP/IP Critical socket communication mechanism
  - From: Mitchell Blank Jr <[email protected]>

Prev by Date: Re: [SERIAL, -mm] CRC failure
Next by Date: [patch 0/5] [RFC] Add MMC password protection (lock/unlock) support
Previous by thread: Re: [RFC][PATCH 3/3] TCP/IP Critical socket communication mechanism
Next by thread: Re: [RFC][PATCH 3/3] TCP/IP Critical socket communication mechanism
Index(es):
- Date
- Thread

[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]