[PATCH V2] arm: mm: fix dcache flush logic for compound high pages

Will Deacon will.deacon at arm.com
Mon Dec 16 10:54:04 EST 2013


On Mon, Dec 16, 2013 at 03:03:43PM +0000, Steve Capper wrote:
> When given a compound high page, __flush_dcache_page will only flush
> the first page of the compound page repeatedly rather than the entire
> set of constituent pages.
> 
> This patch corrects the logic such that all constituent pages are now
> flushed.

Since this probably wants to go to -stable, it's worth mentioning the commit
which introduced it in the commit text.

> Signed-off-by: Steve Capper <steve.capper at linaro.org>
> ---
> V2: style change use page + i rather than separate struct *cpage
> ---

  Acked-by: Will Deacon <will.deacon at arm.com>

Cheers Steve.

Will



More information about the linux-arm-kernel mailing list