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authorLinus Torvalds <torvalds@linux-foundation.org>2018-03-22 18:48:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-03-22 18:48:43 -0700
commitf36b7534b83357cf52e747905de6d65b4f7c2512 (patch)
treeca52ebdc4aaa738bd464b22a06ed034e41c46acb /lib
parent8401c72c593d2be8607d2a0a4551ee5c867d6f2f (diff)
parent9d3c3354bb85bab4d865fe95039443f09a4c8394 (diff)
downloadlinux-f36b7534b83357cf52e747905de6d65b4f7c2512.tar.bz2
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "13 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm, thp: do not cause memcg oom for thp mm/vmscan: wake up flushers for legacy cgroups too Revert "mm: page_alloc: skip over regions of invalid pfns where possible" mm/shmem: do not wait for lock_page() in shmem_unused_huge_shrink() mm/thp: do not wait for lock_page() in deferred_split_scan() mm/khugepaged.c: convert VM_BUG_ON() to collapse fail x86/mm: implement free pmd/pte page interfaces mm/vmalloc: add interfaces to free unmapped page table h8300: remove extraneous __BIG_ENDIAN definition hugetlbfs: check for pgoff value overflow lockdep: fix fs_reclaim warning MAINTAINERS: update Mark Fasheh's e-mail mm/mempolicy.c: avoid use uninitialized preferred_node
Diffstat (limited to 'lib')
-rw-r--r--lib/ioremap.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/ioremap.c b/lib/ioremap.c
index b808a390e4c3..54e5bbaa3200 100644
--- a/lib/ioremap.c
+++ b/lib/ioremap.c
@@ -91,7 +91,8 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
if (ioremap_pmd_enabled() &&
((next - addr) == PMD_SIZE) &&
- IS_ALIGNED(phys_addr + addr, PMD_SIZE)) {
+ IS_ALIGNED(phys_addr + addr, PMD_SIZE) &&
+ pmd_free_pte_page(pmd)) {
if (pmd_set_huge(pmd, phys_addr + addr, prot))
continue;
}
@@ -117,7 +118,8 @@ static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr,
if (ioremap_pud_enabled() &&
((next - addr) == PUD_SIZE) &&
- IS_ALIGNED(phys_addr + addr, PUD_SIZE)) {
+ IS_ALIGNED(phys_addr + addr, PUD_SIZE) &&
+ pud_free_pmd_page(pud)) {
if (pud_set_huge(pud, phys_addr + addr, prot))
continue;
}