Re: [PATCH v3 1/4] xen/balloon: fix accounting in alloc_xenballooned_pages error path

From: Jürgen Groß
Date: Mon Aug 03 2020 - 02:18:22 EST


On 27.07.20 11:13, Roger Pau Monne wrote:
target_unpopulated is incremented with nr_pages at the start of the
function, but the call to free_xenballooned_pages will only subtract
pgno number of pages, and thus the rest need to be subtracted before
returning or else accounting will be skewed.

Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx

Pushed to xen/tip.git for-linus-5.9


Juergen