/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_PR_H
#define _UAPI_PR_H

#include <linux/types.h>

enum pr_type {
	PR_WRITE_EXCLUSIVE		= 1,
	PR_EXCLUSIVE_ACCESS		= 2,
	PR_WRITE_EXCLUSIVE_REG_ONLY	= 3,
	PR_EXCLUSIVE_ACCESS_REG_ONLY	= 4,
	PR_WRITE_EXCLUSIVE_ALL_REGS	= 5,
	PR_EXCLUSIVE_ACCESS_ALL_REGS	= 6,
};

struct pr_reservation {
	__u64	key;
	__u32	type;
	__u32	flags;
};

struct pr_registration {
	__u64	old_key;
	__u64	new_key;
	__u32	flags;
	__u32	__pad;
};

struct pr_preempt {
	__u64	old_key;
	__u64	new_key;
	__u32	type;
	__u32	flags;
};

struct pr_clear {
	__u64	key;
	__u32	flags;
	__u32	__pad;
};

#define PR_FL_IGNORE_KEY	(1 << 0)	/* ignore existing key */

#define IOC_PR_REGISTER		_IOW('p', 200, struct pr_registration)
#define IOC_PR_RESERVE		_IOW('p', 201, struct pr_reservation)
#define IOC_PR_RELEASE		_IOW('p', 202, struct pr_reservation)
#define IOC_PR_PREEMPT		_IOW('p', 203, struct pr_preempt)
#define IOC_PR_PREEMPT_ABORT	_IOW('p', 204, struct pr_preempt)
#define IOC_PR_CLEAR		_IOW('p', 205, struct pr_clear)

#endif /* _UAPI_PR_H */
e='linux-2.6.13.y'>linux-2.6.13.y</option>
<option value='linux-2.6.14.y'>linux-2.6.14.y</option>
<option value='linux-2.6.15.y'>linux-2.6.15.y</option>
<option value='linux-2.6.16.y'>linux-2.6.16.y</option>
<option value='linux-2.6.17.y'>linux-2.6.17.y</option>
<option value='linux-2.6.18.y'>linux-2.6.18.y</option>
<option value='linux-2.6.19.y'>linux-2.6.19.y</option>
<option value='linux-2.6.20.y'>linux-2.6.20.y</option>
<option value='linux-2.6.21.y'>linux-2.6.21.y</option>
<option value='linux-2.6.22.y'>linux-2.6.22.y</option>
<option value='linux-2.6.23.y'>linux-2.6.23.y</option>
<option value='linux-2.6.24.y'>linux-2.6.24.y</option>
<option value='linux-2.6.25.y'>linux-2.6.25.y</option>
<option value='linux-2.6.26.y'>linux-2.6.26.y</option>
<option value='linux-2.6.27.y'>linux-2.6.27.y</option>
<option value='linux-2.6.28.y'>linux-2.6.28.y</option>
<option value='linux-2.6.29.y'>linux-2.6.29.y</option>
<option value='linux-2.6.30.y'>linux-2.6.30.y</option>
<option value='linux-2.6.31.y'>linux-2.6.31.y</option>
<option value='linux-2.6.32.y'>linux-2.6.32.y</option>
<option value='linux-2.6.33.y'>linux-2.6.33.y</option>
<option value='linux-2.6.34.y'>linux-2.6.34.y</option>
<option value='linux-2.6.35.y'>linux-2.6.35.y</option>
<option value='linux-2.6.36.y'>linux-2.6.36.y</option>
<option value='linux-2.6.37.y'>linux-2.6.37.y</option>
<option value='linux-2.6.38.y'>linux-2.6.38.y</option>
<option value='linux-2.6.39.y'>linux-2.6.39.y</option>
<option value='linux-3.0.y'>linux-3.0.y</option>
<option value='linux-3.1.y'>linux-3.1.y</option>
<option value='linux-3.10.y'>linux-3.10.y</option>
<option value='linux-3.11.y'>linux-3.11.y</option>
<option value='linux-3.12.y'>linux-3.12.y</option>
<option value='linux-3.13.y'>linux-3.13.y</option>
<option value='linux-3.14.y'>linux-3.14.y</option>
<option value='linux-3.15.y'>linux-3.15.y</option>
<option value='linux-3.16.y'>linux-3.16.y</option>
<option value='linux-3.17.y'>linux-3.17.y</option>
<option value='linux-3.18.y'>linux-3.18.y</option>
<option value='linux-3.19.y'>linux-3.19.y</option>
<option value='linux-3.2.y'>linux-3.2.y</option>
<option value='linux-3.3.y'>linux-3.3.y</option>
<option value='linux-3.4.y'>linux-3.4.y</option>
<option value='linux-3.5.y'>linux-3.5.y</option>
<option value='linux-3.6.y'>linux-3.6.y</option>
<option value='linux-3.7.y'>linux-3.7.y</option>
<option value='linux-3.8.y'>linux-3.8.y</option>
<option value='linux-3.9.y'>linux-3.9.y</option>
<option value='linux-4.0.y'>linux-4.0.y</option>
<option value='linux-4.1.y'>linux-4.1.y</option>
<option value='linux-4.10.y'>linux-4.10.y</option>
<option value='linux-4.11.y'>linux-4.11.y</option>
<option value='linux-4.12.y'>linux-4.12.y</option>
<option value='linux-4.13.y'>linux-4.13.y</option>
<option value='linux-4.14.y'>linux-4.14.y</option>
<option value='linux-4.15.y'>linux-4.15.y</option>
<option value='linux-4.16.y'>linux-4.16.y</option>
<option value='linux-4.17.y'>linux-4.17.y</option>
<option value='linux-4.18.y'>linux-4.18.y</option>
<option value='linux-4.19.y'>linux-4.19.y</option>
<option value='linux-4.2.y'>linux-4.2.y</option>
<option value='linux-4.20.y'>linux-4.20.y</option>
<option value='linux-4.3.y'>linux-4.3.y</option>
<option value='linux-4.4.y'>linux-4.4.y</option>
<option value='linux-4.5.y'>linux-4.5.y</option>
<option value='linux-4.6.y'>linux-4.6.y</option>
<option value='linux-4.7.y'>linux-4.7.y</option>
<option value='linux-4.8.y'>linux-4.8.y</option>
<option value='linux-4.9.y'>linux-4.9.y</option>
<option value='linux-5.0.y'>linux-5.0.y</option>
<option value='linux-5.1.y'>linux-5.1.y</option>
<option value='linux-5.10.y'>linux-5.10.y</option>
<option value='linux-5.11.y'>linux-5.11.y</option>
<option value='linux-5.12.y'>linux-5.12.y</option>
<option value='linux-5.13.y'>linux-5.13.y</option>
<option value='linux-5.14.y'>linux-5.14.y</option>
<option value='linux-5.15.y'>linux-5.15.y</option>
<option value='linux-5.16.y'>linux-5.16.y</option>
<option value='linux-5.17.y'>linux-5.17.y</option>
<option value='linux-5.18.y'>linux-5.18.y</option>
<option value='linux-5.19.y'>linux-5.19.y</option>
<option value='linux-5.2.y'>linux-5.2.y</option>
<option value='linux-5.3.y'>linux-5.3.y</option>
<option value='linux-5.4.y'>linux-5.4.y</option>
<option value='linux-5.5.y'>linux-5.5.y</option>
<option value='linux-5.6.y'>linux-5.6.y</option>
<option value='linux-5.7.y'>linux-5.7.y</option>
<option value='linux-5.8.y'>linux-5.8.y</option>
<option value='linux-5.9.y'>linux-5.9.y</option>
<option value='linux-6.0.y'>linux-6.0.y</option>
<option value='linux-6.1.y'>linux-6.1.y</option>
<option value='linux-6.10.y'>linux-6.10.y</option>
<option value='linux-6.11.y'>linux-6.11.y</option>
<option value='linux-6.12.y'>linux-6.12.y</option>
<option value='linux-6.13.y'>linux-6.13.y</option>
<option value='linux-6.14.y'>linux-6.14.y</option>
<option value='linux-6.15.y'>linux-6.15.y</option>
<option value='linux-6.16.y'>linux-6.16.y</option>
<option value='linux-6.17.y'>linux-6.17.y</option>
<option value='linux-6.18.y'>linux-6.18.y</option>
<option value='linux-6.19.y'>linux-6.19.y</option>
<option value='linux-6.2.y'>linux-6.2.y</option>
<option value='linux-6.3.y'>linux-6.3.y</option>
<option value='linux-6.4.y'>linux-6.4.y</option>
<option value='linux-6.5.y'>linux-6.5.y</option>
<option value='linux-6.6.y'>linux-6.6.y</option>
<option value='linux-6.7.y'>linux-6.7.y</option>
<option value='linux-6.8.y'>linux-6.8.y</option>
<option value='linux-6.9.y'>linux-6.9.y</option>
<option value='linux-rolling-lts'>linux-rolling-lts</option>
<option value='linux-rolling-stable'>linux-rolling-stable</option>
<option value='master' selected='selected'>master</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Hosts the 0x221E linux distro kernel.</td><td class='sub right'>Ubuntu</td></tr></table>
<table class='tabs'><tr><td>
<a href='/distro/kernel/?h=master'>summary</a><a href='/distro/kernel/refs/?h=master&amp;id=06e14c36e20b48171df13d51b89fe67c594ed07a'>refs</a><a class='active' href='/distro/kernel/log/mm/show_mem.c?h=master'>log</a><a href='/distro/kernel/tree/mm/show_mem.c?h=master&amp;id=06e14c36e20b48171df13d51b89fe67c594ed07a'>tree</a><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=06e14c36e20b48171df13d51b89fe67c594ed07a'>commit</a><a href='/distro/kernel/diff/mm/show_mem.c?h=master&amp;id=06e14c36e20b48171df13d51b89fe67c594ed07a'>diff</a></td><td class='form'><form class='right' method='get' action='/distro/kernel/log/mm/show_mem.c'>
<input type='hidden' name='h' value='master'/><input type='hidden' name='id' value='06e14c36e20b48171df13d51b89fe67c594ed07a'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/distro/kernel/log/?h=master&amp;id=06e14c36e20b48171df13d51b89fe67c594ed07a'>root</a>/<a href='/distro/kernel/log/mm?h=master&amp;id=06e14c36e20b48171df13d51b89fe67c594ed07a'>mm</a>/<a href='/distro/kernel/log/mm/show_mem.c?h=master&amp;id=06e14c36e20b48171df13d51b89fe67c594ed07a'>show_mem.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/distro/kernel/log/mm/show_mem.c?h=master&amp;id=06e14c36e20b48171df13d51b89fe67c594ed07a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2026-01-31 14:22:38 -0800'>2026-01-31</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=a45088376d8a847a5e3b1982fcfceb41644e3b1d'>mm/vmscan: add tracepoint and reason for kswapd_failures reset</a></td><td>Jiayuan Chen</td></tr>
<tr><td><span title='2025-09-21 14:22:29 -0700'>2025-09-21</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=e7a5f249e6db3b41a4618763e0f840639f3578f4'>mm: re-enable kswapd when memory pressure subsides or demotion is toggled</a></td><td>Chanwon Park</td></tr>
<tr><td><span title='2025-09-21 14:22:18 -0700'>2025-09-21</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=8147bc15b409c8ca52e98c6692273dd9bc5c6905'>mm/show_mem: add trylock while printing alloc info</a></td><td>Yueyang Pan</td></tr>
<tr><td><span title='2025-09-21 14:22:18 -0700'>2025-09-21</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=9abd8bd4c6b16d152b7149ef2f27a606ae4ebf4e'>mm/show_mem: dump the status of the mem alloc profiling before printing</a></td><td>Yueyang Pan</td></tr>
<tr><td><span title='2025-09-21 14:22:11 -0700'>2025-09-21</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=0c83e7faa8481d184766409ed5aa10493f0040d9'>mm: show_mem: show number of zspages in show_free_areas</a></td><td>Thadeu Lima de Souza Cascardo</td></tr>
<tr><td><span title='2025-07-19 18:59:47 -0700'>2025-07-19</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=8356a5a3b078ca89c526dd6d71e9a76fec571c37'>mm, vmstat: remove the NR_WRITEBACK_TEMP node_stat_item counter</a></td><td>Vlastimil Babka</td></tr>
<tr><td><span title='2025-05-31 15:44:16 -0700'>2025-05-31</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=00c010e130e58301db2ea0cec1eadc931e1cb8cf'>Merge tag 'mm-stable-2025-05-31-14-50' of git://git.kernel.org/pub/scm/linux/...</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2025-05-11 17:48:32 -0700'>2025-05-11</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=4f219913c1368a372b07832451cb86ea3a1df31c'>mm: add nr_free_highatomic in show_free_areas</a></td><td>gaoxu</td></tr>
<tr><td><span title='2025-05-11 17:48:08 -0700'>2025-05-11</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=26d4d18b79659054e451be9487937e31e63d0853'>mm/show_mem: optimize si_meminfo_node by reducing redundant code</a></td><td>Ye Liu</td></tr>
<tr><td><span title='2025-05-05 13:22:39 -0600'>2025-05-05</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=194df9f66db8d6f74f03c78c2ad47b74a5a8b886'>mm: remove NR_BOUNCE zone stat</a></td><td>Christoph Hellwig</td></tr>
<tr><td><span title='2025-03-21 22:03:13 -0700'>2025-03-21</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=835de37603ef6412949df0a607128f5fffed4576'>meminfo: add a per node counter for balloon drivers</a></td><td>Nico Pache</td></tr>
<tr><td><span title='2024-11-07 14:38:08 -0800'>2024-11-07</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=e8c1a296b8066734ef20797ab77e03a90b0c9be8'>mm/show_mem: use str_yes_no() helper in show_free_areas()</a></td><td>Thorsten Blum</td></tr>
<tr><td><span title='2024-09-17 01:07:00 -0700'>2024-09-17</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=fd00be9afa1d64c90ae20a1307da1bdb809b3d55'>mm/show_mem.c: report alloc tags in human readable units</a></td><td>Kent Overstreet</td></tr>
<tr><td><span title='2024-04-25 20:55:57 -0700'>2024-04-25</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=1438d349d16b78d88f9e978a4a5496f078c8191b'>lib: add memory allocations report in show_mem()</a></td><td>Suren Baghdasaryan</td></tr>
<tr><td><span title='2024-01-08 15:27:15 -0800'>2024-01-08</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=fd37721803c6e73619108f76ad2e12a9aa5fafaf'>mm, treewide: introduce NR_PAGE_ORDERS</a></td><td>Kirill A. Shutemov</td></tr>
<tr><td><span title='2023-10-04 10:32:19 -0700'>2023-10-04</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=80e4a765a770c491e081463c38be927a876e2ce8'>mm: refactor si_mem_available()</a></td><td>Lorenzo Stoakes</td></tr>
<tr><td><span title='2023-08-21 13:38:01 -0700'>2023-08-21</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=8dbbc49345a7452ee59783ed5f5637b5d59532ba'>mm,thp: no space after colon in Mem-Info fields</a></td><td>Hugh Dickins</td></tr>
<tr><td><span title='2023-08-18 10:12:02 -0700'>2023-08-18</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=1279aa0656bbebbeecbd3bec0dd50faf35e5db38'>mm: make show_free_areas() static</a></td><td>Kefeng Wang</td></tr>
<tr><td><span title='2023-06-09 16:25:22 -0700'>2023-06-09</span></td><td><a href='/distro/kernel/commit/mm/show_mem.c?h=master&amp;id=e9aae1709264b2353d67d4846bd617c445a49fe0'>mm: page_alloc: collect mem statistic into show_mem.c</a></td><td>Kefeng Wang</td></tr>