On Sun, 22 Mar 1998 18:57:28 +0530 (GMT+0530), Chirayu Patel
<chirayu@wipro.tcpn.com> said:
> Hi ,
> I am having trouble understanding the difference between
> the __free_page function and free_pages function in page_alloc.c
They are identical functions with different calling conventions. When
we are freeing a page, we often have a page struct already in hand, so
__free_page is an alternative way of freeing a page which avoids the
unnecessary page map lookup.
--Stephen
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