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* They were a [http://lwn.net/Articles/40840/ 2003 Kernel Summit] topic, after seeing first [http://kerneltrap.org/node/418 introduction] in Linux 2.5.36 ([http://linuxgazette.net/155/krishnakumar.html LinuxGazette] primer article)

* [http://lwn.net/Articles/6971/ Rohit Seth] provided the first explicit large page support to applications as covered in [http://lwn.net/Articles/6969/ this LWN article]

** <tt>alloc_hugepages</tt>, <tt>free_hugepages</tt>, <tt>get_large_pages(2)</tt> and <tt>shared_large_pages(2)</tt> were present in kernels 2.5.36-2.5.54

** <tt>[http://vmlinux.org/cgi-bin/dwww?type=runman&location=free_hugepages/2 alloc_hugepages(2)]</tt>, <tt>free_hugepages(2)</tt>, <tt>get_large_pages(2)</tt> and <tt>shared_large_pages(2)</tt> were present in kernels 2.5.36-2.5.54

* [http://www.mjmwired.net/kernel/Documentation/vm/hugetlbpage.txt hugetlbfs] and assorted infrastructure replaced these. Mel Gorman's [http://linux-mm.org/HugePages Linux MM wiki] has a good page on hugetlbfs. With the CONFIG_HUGETLBFS kernel option enabled, the following variables are seen in <tt>/proc/meminfo</tt> (from 2.6.30 on amd64 with no hugepages reserved):

<pre>HugePages_Total: 0

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 * They were a [http://lwn.net/Articles/40840/ 2003 Kernel Summit] topic, after seeing first [http://kerneltrap.org/node/418 introduction] in Linux 2.5.36 ([http://linuxgazette.net/155/krishnakumar.html LinuxGazette] primer article)
 * [http://lwn.net/Articles/6971/ Rohit Seth] provided the first explicit large page support to applications as covered in [http://lwn.net/Articles/6969/ this LWN article]
-** <tt>alloc_hugepages</tt>, <tt>free_hugepages</tt>, <tt>get_large_pages(2)</tt> and <tt>shared_large_pages(2)</tt> were present in kernels 2.5.36-2.5.54
+** <tt>[http://vmlinux.org/cgi-bin/dwww?type=runman&location=free_hugepages/2 alloc_hugepages(2)]</tt>, <tt>free_hugepages(2)</tt>, <tt>get_large_pages(2)</tt> and <tt>shared_large_pages(2)</tt> were present in kernels 2.5.36-2.5.54
 * [http://www.mjmwired.net/kernel/Documentation/vm/hugetlbpage.txt hugetlbfs] and assorted infrastructure replaced these. Mel Gorman's [http://linux-mm.org/HugePages Linux MM wiki] has a good page on hugetlbfs. With the CONFIG_HUGETLBFS kernel option enabled, the following variables are seen in <tt>/proc/meminfo</tt> (from 2.6.30 on amd64 with no hugepages reserved):
 <pre>HugePages_Total:       0