manuals: add minimum RAM requirements

Measured by generating a "core-image-sato" image for a "qemux86-64"
machine from an Ubuntu 22.04 VM with 4 cores.

Less memory was not enough and caused Out of Memory failures.

(From yocto-docs rev: a05f87929eed43cef673a8c2581899a8c9ccf462)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/documentation/brief-yoctoprojectqs/index.rst b/documentation/brief-yoctoprojectqs/index.rst
index 07e95ee85c..0ccffccc60 100644
--- a/documentation/brief-yoctoprojectqs/index.rst
+++ b/documentation/brief-yoctoprojectqs/index.rst
@@ -44,6 +44,10 @@ following requirements:
    much more will help to run multiple builds and increase
    performance by reusing build artifacts.
 
+-  At least &MIN_RAM; Gbytes of RAM, though a modern modern build host with as
+   much RAM and as many CPU cores as possible is strongly recommended to
+   maximize build performance.
+
 -  Runs a supported Linux distribution (i.e. recent releases of Fedora,
    openSUSE, CentOS, Debian, or Ubuntu). For a list of Linux
    distributions that support the Yocto Project, see the