diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-07-14 14:19:42 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-07-14 15:27:35 -0700 |
| commit | 816cd1688331e0ffa1927889c15e7ed56650a183 (patch) | |
| tree | 30cbcb7d5d4e1dd226fda651f25ca094e54714a0 /mm/sparse-vmemmap.c | |
| parent | b126047f43f11f61f1dd64802979765d71795dae (diff) | |
| parent | db886979683a8360ced9b24ab1125ad0c4d2cf76 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
include/net/sock.h
310731e2f161 ("net: Fix data-races around sysctl_mem.")
e70f3c701276 ("Revert "net: set SK_MEM_QUANTUM to 4096"")
https://lore.kernel.org/all/20220711120211.7c8b7cba@canb.auug.org.au/
net/ipv4/fib_semantics.c
747c14307214 ("ip: fix dflt addr selection for connected nexthop")
d62607c3fe45 ("net: rename reference+tracking helpers")
net/tls/tls.h
include/net/tls.h
3d8c51b25a23 ("net/tls: Check for errors in tls_device_init")
587903142308 ("tls: create an internal header")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'mm/sparse-vmemmap.c')
| -rw-r--r-- | mm/sparse-vmemmap.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c index f4fa61dbbee3..dbbd1a7e65f3 100644 --- a/mm/sparse-vmemmap.c +++ b/mm/sparse-vmemmap.c @@ -78,6 +78,14 @@ static int __split_vmemmap_huge_pmd(pmd_t *pmd, unsigned long start) spin_lock(&init_mm.page_table_lock); if (likely(pmd_leaf(*pmd))) { + /* + * Higher order allocations from buddy allocator must be able to + * be treated as indepdenent small pages (as they can be freed + * individually). + */ + if (!PageReserved(page)) + split_page(page, get_order(PMD_SIZE)); + /* Make pte visible before pmd. See comment in pmd_install(). */ smp_wmb(); pmd_populate_kernel(&init_mm, pmd, pgtable); |