ftrace: Store the order of pages allocated in ftrace_page

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Instead of saving the size of the records field of the ftrace_page, store
the order it uses to allocate the pages, as that is what is needed to know
in order to free the pages. This simplifies the code.

Link: https://lore.kernel.org/lkml/CAHk-=whyMxheOqXAORt9a7JK9gc9eHTgCJ55Pgs4p=X3RrQubQ@mail.gmail.com/

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[ change log written by Steven Rostedt ]
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

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Linus Torvalds 2021-04-01 16:14:17 -04:00 • committed by Steven Rostedt (VMware)

parent f3ef7202ef

commit db42523b4f

1 changed files with 17 additions and 18 deletions

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kernel/trace/ftrace.c

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