Re: MIPS: Make set_pte() SMP safe.

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

To: David Daney <ddaney.cavm@xxxxxxxxx>, <linux-mips@xxxxxxxxxxxxxx>, <ralf@xxxxxxxxxxxxxx>
Subject: Re: MIPS: Make set_pte() SMP safe.
From: Leonid Yegoshin <Leonid.Yegoshin@xxxxxxxxxx>
Date: Tue, 4 Aug 2015 12:15:23 -0700
Cc: David Daney <david.daney@xxxxxxxxxx>, <stable@xxxxxxxxxxxxxxx>
In-reply-to: <1438649323-1082-1-git-send-email-ddaney.cavm@gmail.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0

David,

Did you observe this in real?

The function __get_vm_area_node() allocates a guard page if flagVM_NO_GUARD is not used and I don't see any use of it in source.


In past vmap allocated a guard page even unconditionally.

- Leonid.

Follow-Ups:
- Re: MIPS: Make set_pte() SMP safe.
  - From: David Daney

References:
- [PATCH] MIPS: Make set_pte() SMP safe.
  - From: David Daney

Prev by Date: Re: [PATCH v4 6/7] clocksource: Add Pistachio clocksource-only driver
Next by Date: Re: MIPS: Make set_pte() SMP safe.
Previous by thread: [PATCH] MIPS: Make set_pte() SMP safe.
Next by thread: Re: MIPS: Make set_pte() SMP safe.
Index(es):
- Date
- Thread

[Index of Archives] [Linux MIPS Home] [LKML Archive] [Linux ARM Kernel] [Linux ARM] [Linux] [Git] [Yosemite News] [Linux SCSI] [Linux Hams]

Powered by Linux