Matthew Wilcox 2fa044e51a XArray: Add cyclic allocation ... This differs slightly from the IDR equivalent in five ways. 1. It can allocate up to UINT_MAX instead of being limited to INT_MAX, like xa_alloc(). Also like xa_alloc(), it will write to the 'id' pointer before placing the entry in the XArray. 2. The 'next' cursor is allocated separately from the XArray instead of being part of the IDR. This saves memory for all the users which do not use the cyclic allocation API and suits some users better. 3. It returns -EBUSY instead of -ENOSPC. 4. It will attempt to wrap back to the minimum value on memory allocation failure as well as on an -EBUSY error, assuming that a user would rather allocate a small ID than suffer an ID allocation failure. 5. It reports whether it has wrapped, which is important to some users. Signed-off-by: Matthew Wilcox <willy@infradead.org>		2019-02-06 13:32:25 -05:00
..
assoc_array.rst	Documentation: Use "while" instead of "whilst"	2018-11-20 09:30:43 -07:00
atomic_ops.rst	locking/atomics/Documentation: Describe atomic_set() as a write operation	2018-07-17 09:30:31 +02:00
boot-time-mm.rst	docs/boot-time-mm: remove bootmem documentation	2018-10-31 08:54:16 -07:00
cachetlb.rst	docs: core-api: add cachetlb documentation	2018-05-08 10:02:34 -06:00
circular-buffers.rst	docs: core-api: add circular-buffers documentation	2018-05-08 10:07:06 -06:00
conf.py	docs: Add more manuals to the PDF build	2016-11-16 16:07:02 -07:00
cpu_hotplug.rst	Documentation: Update CPU hotplug and move it to core-api	2017-01-13 10:32:32 -07:00
debug-objects.rst	doc: debugobjects: actually pull in the kerneldoc comments	2016-11-29 14:44:14 -07:00
errseq.rst	errseq: Add to documentation tree	2018-01-01 12:40:27 -07:00
flexible-arrays.rst	Documentation: Add flexible-arrays.rst to the documentation tree	2017-03-29 14:50:21 -06:00
genalloc.rst	doc: Add documentation for the genalloc subsystem	2017-08-30 16:49:04 -06:00
genericirq.rst	genericirq.rst: Remove :c:func:... in code blocks	2017-12-02 08:41:46 -07:00
gfp_mask-from-fs-io.rst	docs: core-api/gfp_mask-from-fs-io: add a label for cross-referencing	2018-09-20 11:02:32 -06:00
idr.rst	idr: Change documentation license	2018-10-15 16:31:29 -04:00
index.rst	Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax	2018-10-28 11:35:40 -07:00
kernel-api.rst	Docs/kernel-api.rst: Remove blk-tag.c reference	2019-01-03 09:18:27 -07:00
librs.rst	docs-rst: convert librs book to ReST	2017-05-16 08:44:16 -03:00
local_ops.rst	timer: Remove init_timer() interface	2017-11-21 15:57:09 -08:00
memory-allocation.rst	Link the memory allocation guide from the MM docs	2018-11-20 09:17:40 -07:00
memory-hotplug.rst	docs/core-api: memory-hotplug: add some details about locking internals	2018-10-12 11:14:19 -06:00
mm-api.rst	docs/mm-api: link slab_common.c to "The Slab Cache" section	2018-12-20 08:33:21 -07:00
printk-formats.rst	lib/vsprintf: Print time and date in human readable format via %pt	2018-12-10 22:39:34 +01:00
refcount-vs-atomic.rst	Documentation: refcount-vs-atomic: Update reference to LKMM doc.	2018-05-08 14:52:39 -06:00
timekeeping.rst	Documentation: document ktime_get_*() APIs	2018-07-23 09:16:56 -06:00
tracepoint.rst	doc: Sphinxify the tracepoint docbook	2016-11-29 14:44:23 -07:00
workqueue.rst	Documentation: core-api: minor workqueue.rst cleanups	2017-09-18 17:29:27 -07:00
xarray.rst	XArray: Add cyclic allocation	2019-02-06 13:32:25 -05:00