[dpdk-stable] [dpdk-dev] [PATCH] mem: fix alignment of requested virtual areas

[Thomas Monjalon]

17/07/2018 11:48, Stojaczyk, DariuszX:
> From: Burakov, Anatoly
> > 
> > The original code did not align any addresses that were requested as
> > page-aligned, but were different because addr_is_hint was set.
> > 
> > Below fix by Dariusz has introduced an issue where all unaligned addresses
> > were left as unaligned.
> > 
> > This patch is a partial revert of
> > commit 7fa7216ed48d ("mem: fix alignment of requested virtual areas")
> > 
> > and implements a proper fix for this issue, by asking for alignment in all
> > but the following two cases:
> > 
> > 1) page size is equal to system page size, or
> > 2) we got an aligned requested address, and will not accept a different one
> > 
> > This ensures that alignment is performed in all cases, except for those we
> > can guarantee that the address will not need alignment.
> > 
> > Fixes: b7cc54187ea4 ("mem: move virtual area function in common directory")
> > Fixes: 7fa7216ed48d ("mem: fix alignment of requested virtual areas")
> > Cc: dariuszx.stojaczyk at intel.com
> > Cc: stable at dpdk.org
> > 
> > Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
> 
> Acked-by: Dariusz Stojaczyk <dariuszx.stojaczyk at intel.com>

Applied, thanks