Matthew Wilcox wrote:
Rearrange a lot of the functions in the file to get rid of all the forward declarations.
What thoughts, if any, have been given to post-patch code arrangement, besides eliminating prototypes?
This always struck me as a counterproductive exercise when taken by itself. Sure, prototypes were eliminated, but was code packed together in an efficient way afterwards? Ideally hot path code should be close together, ditto for various other things like error handling code.
Without further explanation or details about your post-patch analysis, how do we even know the new code arrangement doesn't negatively impact i-cache overall?
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