On Thu, Oct 31, 2024 at 07:55:45AM +1100, Peter Smith wrote: > +/* > + * Test if a memory region starting at p and of size len is full of zeroes. > + */ > +static inline bool > +pg_mem_is_all_zeros(const void *ptr, size_t len) > > The function comment should say 'ptr' instead of 'p', right?
Yes. +static inline bool +pg_mem_is_all_zeros(const void *ptr, size_t len) While we're talking about wordsmithing things, I would not choose "mem" for this routine, just stick to "memory". There is not much in the code that does memory-specific things like what you are proposing here. Still, this would be more consistent with the macros for memory barriers at least. Hence, "pg_memory_is_all_zeros()" makes more sense? The location of memutils.h is sensible. + if (pg_mem_is_all_zeros(pagebytes , (BLCKSZ / sizeof(size_t)))) Extra space not required after pagebytes. -- Michael
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