{"id":4166,"date":"2022-12-20T17:39:35","date_gmt":"2022-12-20T20:39:35","guid":{"rendered":"http:\/\/lode.uno\/linux-man\/index.php\/2022\/12\/20\/kmalloc-man9\/"},"modified":"2022-12-20T17:39:35","modified_gmt":"2022-12-20T20:39:35","slug":"kmalloc-man9","status":"publish","type":"post","link":"https:\/\/lode.uno\/linux-man\/2022\/12\/20\/kmalloc-man9\/","title":{"rendered":"kmalloc (man9)"},"content":{"rendered":"<h1 align=\"center\">kmalloc<\/h1>\n<p> <a href=\"#NAME\">NAME<\/a><br \/> <a href=\"#SYNOPSIS\">SYNOPSIS<\/a><br \/> <a href=\"#DESCRIPTION\">DESCRIPTION<\/a><br \/> <a href=\"#RETURN VALUE\">RETURN VALUE<\/a><br \/> <a href=\"#AVAILABILITY\">AVAILABILITY<\/a><br \/> <a href=\"#AUTHOR\">AUTHOR<\/a><br \/> <a href=\"#BUGS\">BUGS<\/a> <\/p>\n<hr>\n<h2>NAME <a name=\"NAME\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">kmalloc, kfree \u2212 allocate and free pieces of memory<\/p>\n<h2>SYNOPSIS <a name=\"SYNOPSIS\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\"><b>#include <linux\/malloc.h><\/b><\/p>\n<p style=\"margin-left:11%; margin-top: 1em\"><b>void bodies manpages.csv script_extrae_body.sh script.sh usr kmalloc (size_t<\/b> <i>size<\/i><b>, int<\/b> <i>priority<\/i><b>); <br \/> void kfree (void *<\/b> <i>__ptr<\/i><b>);<\/b><\/p>\n<h2>DESCRIPTION <a name=\"DESCRIPTION\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">The <b>kmalloc<\/b> function allocates a piece of memory.<\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">The parameter <i>size<\/i> is the number of bytes that will be allocated. The parameter <i>priority<\/i> indicates the importance and type of the memory request. Some possible values are GFP_DMA, GFP_ATOMIC, GFP_BUFFER, and GFP_NFS.<\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">The <b>kfree<\/b> function releases a piece of memory that is passed as the <i>__ptr<\/i> parameter.<\/p>\n<h2>RETURN VALUE <a name=\"RETURN VALUE\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">On success, <b>kmalloc<\/b> returns a pointer to the newly allocated memory.<\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">If there is an error, NULL is returned instead.<\/p>\n<h2>AVAILABILITY <a name=\"AVAILABILITY\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">Linux 2.0<\/p>\n<h2>AUTHOR <a name=\"AUTHOR\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">Kirk Petersen (kirk@speakeasy.org)<\/p>\n<h2>BUGS <a name=\"BUGS\"><\/a> <\/h2>\n<hr>\n","protected":false},"excerpt":{"rendered":"<p>  kmalloc, kfree \u2212 allocate and free pieces of memory <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1222],"tags":[1226,1223,1246,1225],"class_list":["post-4166","post","type-post","status-publish","format-standard","hentry","category-9-rutinas-del-nucleo","tag-1226","tag-kernel","tag-kmalloc","tag-man9"],"gutentor_comment":0,"_links":{"self":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts\/4166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/comments?post=4166"}],"version-history":[{"count":0,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts\/4166\/revisions"}],"wp:attachment":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/media?parent=4166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/categories?post=4166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/tags?post=4166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}