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authorLinus Torvalds <torvalds@linux-foundation.org>2021-09-08 12:55:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-09-08 12:55:35 -0700
commit2d338201d5311bcd79d42f66df4cecbcbc5f4f2c (patch)
tree75d87f65c31f4721ba6a5356d2a487af9e2961c3 /mm/page_isolation.c
parentcc09ee80c3b18ae1a897a30a17fe710b2b2f620a (diff)
parentb285437d1d929785a5bef3603da78d2cd5341893 (diff)
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: "147 patches, based on 7d2a07b769330c34b4deabeed939325c77a7ec2f. Subsystems affected by this patch series: mm (memory-hotplug, rmap, ioremap, highmem, cleanups, secretmem, kfence, damon, and vmscan), alpha, percpu, procfs, misc, core-kernel, MAINTAINERS, lib, checkpatch, epoll, init, nilfs2, coredump, fork, pids, criu, kconfig, selftests, ipc, and scripts" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (94 commits) scripts: check_extable: fix typo in user error message mm/workingset: correct kernel-doc notations ipc: replace costly bailout check in sysvipc_find_ipc() selftests/memfd: remove unused variable Kconfig.debug: drop selecting non-existing HARDLOCKUP_DETECTOR_ARCH configs: remove the obsolete CONFIG_INPUT_POLLDEV prctl: allow to setup brk for et_dyn executables pid: cleanup the stale comment mentioning pidmap_init(). kernel/fork.c: unexport get_{mm,task}_exe_file coredump: fix memleak in dump_vma_snapshot() fs/coredump.c: log if a core dump is aborted due to changed file permissions nilfs2: use refcount_dec_and_lock() to fix potential UAF nilfs2: fix memory leak in nilfs_sysfs_delete_snapshot_group nilfs2: fix memory leak in nilfs_sysfs_create_snapshot_group nilfs2: fix memory leak in nilfs_sysfs_delete_##name##_group nilfs2: fix memory leak in nilfs_sysfs_create_##name##_group nilfs2: fix NULL pointer in nilfs_##name##_attr_release nilfs2: fix memory leak in nilfs_sysfs_create_device_group trap: cleanup trap_init() init: move usermodehelper_enable() to populate_rootfs() ...
Diffstat (limited to 'mm/page_isolation.c')
-rw-r--r--mm/page_isolation.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index fff55bb830f9..a95c2c6562d0 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -93,8 +93,7 @@ static void unset_migratetype_isolate(struct page *page, unsigned migratetype)
buddy_pfn = __find_buddy_pfn(pfn, order);
buddy = page + (buddy_pfn - pfn);
- if (pfn_valid_within(buddy_pfn) &&
- !is_migrate_isolate_page(buddy)) {
+ if (!is_migrate_isolate_page(buddy)) {
__isolate_free_page(page, order);
isolated_page = true;
}
@@ -250,10 +249,6 @@ __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,
struct page *page;
while (pfn < end_pfn) {
- if (!pfn_valid_within(pfn)) {
- pfn++;
- continue;
- }
page = pfn_to_page(pfn);
if (PageBuddy(page))
/*