diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-22 10:45:46 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-22 10:45:46 -0800 |
| commit | 238ca357079b1b378e55187e8ea34e9e9c4c5695 (patch) | |
| tree | 7b7c3ffeccab30adeff166fd09a18daa047cb904 /mm/zswap.c | |
| parent | bef3efbeb897b56867e271cdbc5f8adaacaeb9cd (diff) | |
| parent | 895f7b8e90200cf1a5dc313329369adf30e51f9a (diff) | |
| download | linux-238ca357079b1b378e55187e8ea34e9e9c4c5695.tar.bz2 | |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"16 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: don't defer struct page initialization for Xen pv guests
lib/Kconfig.debug: enable RUNTIME_TESTING_MENU
vmalloc: fix __GFP_HIGHMEM usage for vmalloc_32 on 32b systems
selftests/memfd: add run_fuse_test.sh to TEST_FILES
bug.h: work around GCC PR82365 in BUG()
mm/swap.c: make functions and their kernel-doc agree (again)
mm/zpool.c: zpool_evictable: fix mismatch in parameter name and kernel-doc
ida: do zeroing in ida_pre_get()
mm, swap, frontswap: fix THP swap if frontswap enabled
certs/blacklist_nohashes.c: fix const confusion in certs blacklist
kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
mm, mlock, vmscan: no more skipping pagevecs
mm: memcontrol: fix NR_WRITEBACK leak in memcg and system stats
Kbuild: always define endianess in kconfig.h
include/linux/sched/mm.h: re-inline mmdrop()
tools: fix cross-compile var clobbering
Diffstat (limited to 'mm/zswap.c')
| -rw-r--r-- | mm/zswap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/zswap.c b/mm/zswap.c index c004aa4fd3f4..61a5c41972db 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -1007,6 +1007,12 @@ static int zswap_frontswap_store(unsigned type, pgoff_t offset, u8 *src, *dst; struct zswap_header zhdr = { .swpentry = swp_entry(type, offset) }; + /* THP isn't supported */ + if (PageTransHuge(page)) { + ret = -EINVAL; + goto reject; + } + if (!zswap_enabled || !tree) { ret = -ENODEV; goto reject; |