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authorLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 13:55:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 13:55:34 -0700
commit6cad420cc695867b4ca710bac21fde21a4102e4b (patch)
tree890d42abc1e82c2cf5cef583584f88ca70116ce9 /kernel/fork.c
parent7be97138e7276c71cc9ad1752dcb502d28f4400d (diff)
parent77d6b9094819ba55353de0ef92957f3f54f2c36c (diff)
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Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton: "A large amount of MM, plenty more to come. Subsystems affected by this patch series: - tools - kthread - kbuild - scripts - ocfs2 - vfs - mm: slub, kmemleak, pagecache, gup, swap, memcg, pagemap, mremap, sparsemem, kasan, pagealloc, vmscan, compaction, mempolicy, hugetlbfs, hugetlb" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (155 commits) include/linux/huge_mm.h: check PageTail in hpage_nr_pages even when !THP mm/hugetlb: fix build failure with HUGETLB_PAGE but not HUGEBTLBFS selftests/vm: fix map_hugetlb length used for testing read and write mm/hugetlb: remove unnecessary memory fetch in PageHeadHuge() mm/hugetlb.c: clean code by removing unnecessary initialization hugetlb_cgroup: add hugetlb_cgroup reservation docs hugetlb_cgroup: add hugetlb_cgroup reservation tests hugetlb: support file_region coalescing again hugetlb_cgroup: support noreserve mappings hugetlb_cgroup: add accounting for shared mappings hugetlb: disable region_add file_region coalescing hugetlb_cgroup: add reservation accounting for private mappings mm/hugetlb_cgroup: fix hugetlb_cgroup migration hugetlb_cgroup: add interface for charge/uncharge hugetlb reservations hugetlb_cgroup: add hugetlb_cgroup reservation counter hugetlbfs: Use i_mmap_rwsem to address page fault/truncate race hugetlbfs: use i_mmap_rwsem for more pmd sharing synchronization mm/memblock.c: remove redundant assignment to variable max_addr mm: mempolicy: require at least one nodeid for MPOL_PREFERRED mm: mempolicy: use VM_BUG_ON_VMA in queue_pages_test_walk() ...
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 25f38a84dbfd..ba122d6f5127 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -281,7 +281,7 @@ static inline void free_thread_stack(struct task_struct *tsk)
MEMCG_KERNEL_STACK_KB,
-(int)(PAGE_SIZE / 1024));
- memcg_kmem_uncharge(vm->pages[i], 0);
+ memcg_kmem_uncharge_page(vm->pages[i], 0);
}
for (i = 0; i < NR_CACHED_STACKS; i++) {
@@ -413,12 +413,13 @@ static int memcg_charge_kernel_stack(struct task_struct *tsk)
for (i = 0; i < THREAD_SIZE / PAGE_SIZE; i++) {
/*
- * If memcg_kmem_charge() fails, page->mem_cgroup
- * pointer is NULL, and both memcg_kmem_uncharge()
+ * If memcg_kmem_charge_page() fails, page->mem_cgroup
+ * pointer is NULL, and both memcg_kmem_uncharge_page()
* and mod_memcg_page_state() in free_thread_stack()
* will ignore this page. So it's safe.
*/
- ret = memcg_kmem_charge(vm->pages[i], GFP_KERNEL, 0);
+ ret = memcg_kmem_charge_page(vm->pages[i], GFP_KERNEL,
+ 0);
if (ret)
return ret;