Re: [PATCH v9 2/10] x86, mm, pat: Change reserve_memtype() for WT

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

 



On Wed, 13 May 2015, Toshi Kani wrote:

> This patch changes reserve_memtype() to support the WT cache mode
> with PAT.  When PAT is not enabled, WB and UC- are the only types
> supported.
> 
> When a target range is in RAM, reserve_ram_pages_type() verifies
> the requested type.  reserve_ram_pages_type() is changed to fail
> WT and WP requests with -EINVAL since set_page_memtype() is
> limited to handle three types, WB, WC and UC-.
> 
> Signed-off-by: Toshi Kani <toshi.kani@xxxxxx>
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

--
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]