Messages in this thread | | | From | Christophe Leroy <> | Subject | Re: [RFC][PATCH] ftrace,objtool: PC32 based __mcount_loc | Date | Fri, 17 Jun 2022 11:44:49 +0000 |
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Le 17/06/2022 à 13:24, Peter Zijlstra a écrit : > > Hi, > > I recently noticed that __mcount_loc is 64bit wide, containing absolute > addresses. Since __mcount_loc is a permanent section (not one we drop > after boot), this bloats the kernel memory usage for no real purpose.
I guess you mean it is 64bit wide on 64 bits architectures ? Because it seems to be defined as 'long' so will be 32bit on 32 bits architectures ?
Christophe
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