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authorPeter Zijlstra <peterz@infradead.org>2020-11-26 13:16:55 +0100
committerPeter Zijlstra <peterz@infradead.org>2020-11-26 13:16:55 +0100
commit20c7775aecea04d8ca322039969d49dcf568e0e9 (patch)
tree138c057839197c9021043353e994815c0250e669 /mm/debug.c
parentperf/x86/intel: Add event constraint for CYCLE_ACTIVITY.STALLS_MEM_ANY (diff)
parentMerge tag 'media/v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media (diff)
downloadwireguard-linux-20c7775aecea04d8ca322039969d49dcf568e0e9.tar.xz
wireguard-linux-20c7775aecea04d8ca322039969d49dcf568e0e9.zip
Merge remote-tracking branch 'origin/master' into perf/core
Further perf/core patches will depend on: d3f7b1bb2040 ("mm/gup: fix gup_fast with dynamic page table folding") which is already in Linus' tree.
Diffstat (limited to 'mm/debug.c')
-rw-r--r--mm/debug.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/mm/debug.c b/mm/debug.c
index ca8d1cacdecc..ccca576b2899 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -102,12 +102,12 @@ void __dump_page(struct page *page, const char *reason)
if (hpage_pincount_available(page)) {
pr_warn("head:%p order:%u compound_mapcount:%d compound_pincount:%d\n",
head, compound_order(head),
- head_mapcount(head),
- head_pincount(head));
+ head_compound_mapcount(head),
+ head_compound_pincount(head));
} else {
pr_warn("head:%p order:%u compound_mapcount:%d\n",
head, compound_order(head),
- head_mapcount(head));
+ head_compound_mapcount(head));
}
}
if (PageKsm(page))
@@ -120,6 +120,7 @@ void __dump_page(struct page *page, const char *reason)
struct hlist_node *dentry_first;
struct dentry *dentry_ptr;
struct dentry dentry;
+ unsigned long ino;
/*
* mapping can be invalid pointer and we don't want to crash
@@ -136,21 +137,22 @@ void __dump_page(struct page *page, const char *reason)
goto out_mapping;
}
- if (get_kernel_nofault(dentry_first, &host->i_dentry.first)) {
+ if (get_kernel_nofault(dentry_first, &host->i_dentry.first) ||
+ get_kernel_nofault(ino, &host->i_ino)) {
pr_warn("aops:%ps with invalid host inode %px\n",
a_ops, host);
goto out_mapping;
}
if (!dentry_first) {
- pr_warn("aops:%ps ino:%lx\n", a_ops, host->i_ino);
+ pr_warn("aops:%ps ino:%lx\n", a_ops, ino);
goto out_mapping;
}
dentry_ptr = container_of(dentry_first, struct dentry, d_u.d_alias);
if (get_kernel_nofault(dentry, dentry_ptr)) {
- pr_warn("aops:%ps with invalid dentry %px\n", a_ops,
- dentry_ptr);
+ pr_warn("aops:%ps ino:%lx with invalid dentry %px\n",
+ a_ops, ino, dentry_ptr);
} else {
/*
* if dentry is corrupted, the %pd handler may still
@@ -158,7 +160,7 @@ void __dump_page(struct page *page, const char *reason)
* corrupted struct page
*/
pr_warn("aops:%ps ino:%lx dentry name:\"%pd\"\n",
- a_ops, host->i_ino, &dentry);
+ a_ops, ino, &dentry);
}
}
out_mapping: