Thursday, December 8, 2011

page refcount set/increase/decrease

set
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page_alloc.c/free_pages_bootmem() ... sets to 1 to the first page of a page block
page_alloc.c/prep_new_page() ... sets to 1 to the first page of a page block
page_alloc.c/split_page() ... sets to 1 to the first page of each of the page blocks

increase
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decrease
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