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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-01 18:13:29 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-01 18:13:29 +0200 |
| commit | 2a4b6e13e170a5c0c201a1858a8f5a61f98eb11e (patch) | |
| tree | dfe77d3d92266f1f833ca2ee841dd60a8c378b9c /mm | |
| parent | Merge tag 'drm-fixes-2022-10-01' of git://anongit.freedesktop.org/drm/drm (diff) | |
| parent | damon/sysfs: fix possible memleak on damon_sysfs_add_target (diff) | |
| download | linux-2a4b6e13e170a5c0c201a1858a8f5a61f98eb11e.tar.xz linux-2a4b6e13e170a5c0c201a1858a8f5a61f98eb11e.zip | |
Merge tag 'mm-hotfixes-stable-2022-09-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more hotfixes from Andrew Morton:
"One MAINTAINERS update, two MM fixes, both cc:stable"
The previous pull wasn't fated to be the last one..
* tag 'mm-hotfixes-stable-2022-09-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
damon/sysfs: fix possible memleak on damon_sysfs_add_target
mm: fix BUG splat with kvmalloc + GFP_ATOMIC
MAINTAINERS: drop entry to removed file in ARM/RISCPC ARCHITECTURE
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/damon/sysfs.c | 2 | ||||
| -rw-r--r-- | mm/util.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 7488e27c87c3..bdef9682d0a0 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2182,12 +2182,12 @@ static int damon_sysfs_add_target(struct damon_sysfs_target *sys_target, if (!t) return -ENOMEM; + damon_add_target(ctx, t); if (damon_target_has_pid(ctx)) { t->pid = find_get_pid(sys_target->pid); if (!t->pid) goto destroy_targets_out; } - damon_add_target(ctx, t); err = damon_sysfs_set_regions(t, sys_target->regions); if (err) goto destroy_targets_out; diff --git a/mm/util.c b/mm/util.c index c9439c66d8cf..346e40177bc6 100644 --- a/mm/util.c +++ b/mm/util.c @@ -619,6 +619,10 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node) if (ret || size <= PAGE_SIZE) return ret; + /* non-sleeping allocations are not supported by vmalloc */ + if (!gfpflags_allow_blocking(flags)) + return NULL; + /* Don't even allow crazy sizes */ if (unlikely(size > INT_MAX)) { WARN_ON_ONCE(!(flags & __GFP_NOWARN)); |