The patch titled
Subject: hugetlbfs-check-for-pgoff-value-overflow-v3-fix
has been added to the -mm tree. Its filename is
hugetlbfs-check-for-pgoff-value-overflow-v3-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/hugetlbfs-check-for-pgoff-value-overflow-v3-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/hugetlbfs-check-for-pgoff-value-overflow-v3-fix.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: hugetlbfs-check-for-pgoff-value-overflow-v3-fix
include mmdebug.h, use VM_WARN return value, remove comment
Cc: "Kirill A . Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Nic Losby <blurbdust@xxxxxxxxx>
Cc: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
diff -puN mm/hugetlb.c~hugetlbfs-check-for-pgoff-value-overflow-v3-fix mm/hugetlb.c
--- a/mm/hugetlb.c~hugetlbfs-check-for-pgoff-value-overflow-v3-fix
+++ a/mm/hugetlb.c
@@ -18,6 +18,7 @@
#include <linux/bootmem.h>
#include <linux/sysfs.h>
#include <linux/slab.h>
+#include <linux/mmdebug.h>
#include <linux/sched/signal.h>
#include <linux/rmap.h>
#include <linux/string_helpers.h>
@@ -4374,11 +4375,8 @@ int hugetlb_reserve_pages(struct inode *
struct resv_map *resv_map;
long gbl_reserve;
- /* This should never happen */
- if (from > to) {
- VM_WARN(1, "%s called with a negative range\n", __func__);
+ if (VM_WARN(from > to, "%s called with a negative range\n", __func__))
return -EINVAL;
- }
/*
* Only apply hugepage reservation if asked. At fault time, an
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
mm-memblock-hardcode-the-end_pfn-being-1-fix.patch
mm-memblock-hardcode-the-end_pfn-being-1-fix-fix.patch
hugetlbfs-check-for-pgoff-value-overflow-v3-fix.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
ocfs2-without-quota-support-try-to-avoid-calling-quota-recovery-checkpatch-fixes.patch
mm.patch
mm-initialize-pages-on-demand-during-boot-fix-4-fix.patch
mm-page_alloc-skip-over-regions-of-invalid-pfns-on-uma-fix.patch
direct-io-minor-cleanups-in-do_blockdev_direct_io-fix.patch
mm-fix-races-between-swapoff-and-flush-dcache-fix.patch
list_lru-prefetch-neighboring-list-entries-before-acquiring-lock-fix.patch
mm-oom-cgroup-aware-oom-killer-fix.patch
mm-oom-docs-describe-the-cgroup-aware-oom-killer-fix-2-fix.patch
proc-add-seq_put_decimal_ull_width-to-speed-up-proc-pid-smaps-fix.patch
linux-next-rejects.patch
linux-next-fixup.patch
drivers-gpu-drm-i915-intel_guc_logc-work-around-gcc-444-union-initializer-issue.patch
fs-fsnotify-account-fsnotify-metadata-to-kmemcg-fix.patch
headers-untangle-kmemleakh-from-mmh-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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