kbuild,bpf: pass make jobs' value to pahole #8012
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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 <[email protected]> Tested-by: Holger Hoffstätte <[email protected]>
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Pull request for series with
subject: kbuild,bpf: pass make jobs' value to pahole
version: 1
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=905648