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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-16 21:31:55 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-16 21:31:55 +0300 |
| commit | c4cf498dc0241fa2d758dba177634268446afb06 (patch) | |
| tree | 77e86dd4f211c6681ff9fbab481295732dc23422 /include/linux/xarray.h | |
| parent | 9ff9b0d392ea08090cd1780fb196f36dbb586529 (diff) | |
| parent | 4d0e9df5e43dba52d38b251e3b909df8fa1110be (diff) | |
| download | linux-c4cf498dc0241fa2d758dba177634268446afb06.tar.xz | |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"155 patches.
Subsystems affected by this patch series: mm (dax, debug, thp,
readahead, page-poison, util, memory-hotplug, zram, cleanups), misc,
core-kernel, get_maintainer, MAINTAINERS, lib, bitops, checkpatch,
binfmt, ramfs, autofs, nilfs, rapidio, panic, relay, kgdb, ubsan,
romfs, and fault-injection"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (155 commits)
lib, uaccess: add failure injection to usercopy functions
lib, include/linux: add usercopy failure capability
ROMFS: support inode blocks calculation
ubsan: introduce CONFIG_UBSAN_LOCAL_BOUNDS for Clang
sched.h: drop in_ubsan field when UBSAN is in trap mode
scripts/gdb/tasks: add headers and improve spacing format
scripts/gdb/proc: add struct mount & struct super_block addr in lx-mounts command
kernel/relay.c: drop unneeded initialization
panic: dump registers on panic_on_warn
rapidio: fix the missed put_device() for rio_mport_add_riodev
rapidio: fix error handling path
nilfs2: fix some kernel-doc warnings for nilfs2
autofs: harden ioctl table
ramfs: fix nommu mmap with gaps in the page cache
mm: remove the now-unnecessary mmget_still_valid() hack
mm/gup: take mmap_lock in get_dump_page()
binfmt_elf, binfmt_elf_fdpic: use a VMA list snapshot
coredump: rework elf/elf_fdpic vma_dump_size() into common helper
coredump: refactor page range dumping into common helper
coredump: let dump_emit() bail out on short writes
...
Diffstat (limited to 'include/linux/xarray.h')
| -rw-r--r-- | include/linux/xarray.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/xarray.h b/include/linux/xarray.h index b4d70e7568b2..5cdf441f6377 100644 --- a/include/linux/xarray.h +++ b/include/linux/xarray.h @@ -1505,6 +1505,28 @@ void xas_pause(struct xa_state *); void xas_create_range(struct xa_state *); +#ifdef CONFIG_XARRAY_MULTI +int xa_get_order(struct xarray *, unsigned long index); +void xas_split(struct xa_state *, void *entry, unsigned int order); +void xas_split_alloc(struct xa_state *, void *entry, unsigned int order, gfp_t); +#else +static inline int xa_get_order(struct xarray *xa, unsigned long index) +{ + return 0; +} + +static inline void xas_split(struct xa_state *xas, void *entry, + unsigned int order) +{ + xas_store(xas, entry); +} + +static inline void xas_split_alloc(struct xa_state *xas, void *entry, + unsigned int order, gfp_t gfp) +{ +} +#endif + /** * xas_reload() - Refetch an entry from the xarray. * @xas: XArray operation state. |