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tenderlove/foo.c

Created June 24, 2020 20:44
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foo.c
page_body = (struct heap_page_body *)rb_aligned_malloc(HEAP_PAGE_ALIGN, HEAP_PAGE_SIZE);
/* cut.. */
page = calloc1(sizeof(struct heap_page));
/* cut.. */
assert((getpagesize() * 4) == HEAP_PAGE_ALIGN);
intptr_t page_body_end = (intptr_t)page_body + (getpagesize() * 4);
if ((intptr_t)page > (intptr_t)page_body && (intptr_t)page < page_body_end) {
rb_bug("heap page shares OS pages with body!");
}
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