Florian Schmaus 09048d22b7
kbuild,bpf: Pass make jobs' value to pahole ...
Pass the value of make's -j/--jobs argument to pahole, to avoid out of
memory errors and make pahole respect the "jobs" value of make.
On systems with little memory but many cores, invoking pahole using -j
without argument potentially creates too many pahole instances,
causing an out-of-memory situation. Instead, we should pass make's
"jobs" value as an argument to pahole's -j, which is likely configured
to be (much) lower than the actual core count on such systems.
If make was invoked without -j, either via cmdline or MAKEFLAGS, then
JOBS will be simply empty, resulting in the existing behavior, as
expected.
Signed-off-by: Florian Schmaus <flo@geekplace.eu >
Signed-off-by: Andrii Nakryiko <andrii@kernel.org >
Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com >
Link: https://lore.kernel.org/bpf/20241102100452.793970-1-flo@geekplace.eu
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09048d22b7