The patch titled
Subject: kexec-add-resriction-on-the-kexec_load-fix
has been added to the -mm tree. Its filename is
kexec-add-resriction-on-the-kexec_load-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kexec-add-resriction-on-the-kexec_load-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kexec-add-resriction-on-the-kexec_load-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: kexec-add-resriction-on-the-kexec_load-fix
Cc: zhong jiang <zhongjiang@xxxxxxxxxx>
Cc: zhongjiang <zhongjiang@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/kexec_core.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff -puN kernel/kexec_core.c~kexec-add-resriction-on-the-kexec_load-fix kernel/kexec_core.c
--- a/kernel/kexec_core.c~kexec-add-resriction-on-the-kexec_load-fix
+++ a/kernel/kexec_core.c
@@ -215,10 +215,10 @@ int sanity_check_segment_list(struct kim
return -EINVAL;
}
- /* Verity all segment size donnot exceed the specified size.
- * if segment size from user space is too large, a large
- * amount of time will be wasted when allocating page. so,
- * softlockup may be come up.
+ /*
+ * Verify that no segment is larger than half of memory. If a segment
+ * from userspace is too large, a large amount of time will be wasted
+ * allocating pages, which can cause a soft lockup.
*/
for (i = 0; i < nr_segments; i++) {
if (image->segment[i].memsz > (totalram_pages / 2))
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
ocfs2-improve-recovery-performance-v2-fix.patch
ocfs2-dlm-disable-bug_on-when-dlm_lock_res_dropping_ref-is-cleared-before-dlm_deref_lockres_done_handler-fix.patch
mm.patch
mm-reorganize-slab-freelist-randomization-fix.patch
mm-balloon-use-general-non-lru-movable-page-feature-fix.patch
mm-compaction-split-freepages-without-holding-the-zone-lock-fix-2.patch
mm-frontswap-convert-frontswap_enabled-to-static-key-checkpatch-fixes.patch
mm-add-nr_zsmalloc-to-vmstat-fix.patch
mm-memcg-use-consistent-gfp-flags-during-readahead-checkpatch-fixes.patch
mm-thp-make-swapin-readahead-under-down_read-of-mmap_sem-fix-2-fix.patch
mm-fix-build-warnings-in-linux-compactionh-fix.patch
mm-update-the-comment-in-__isolate_free_page-checkpatch-fixes.patch
revert-mm-mempool-only-set-__gfp_nomemalloc-if-there-are-free-elements-checkpatch-fixes.patch
treewide-replace-obsolete-_refok-by-__ref-checkpatch-fixes.patch
printk-create-pr_level-functions-fix.patch
kexec-ensure-user-memory-sizes-do-not-wrap-fix.patch
kexec-allow-architectures-to-override-boot-mapping-fix.patch
allow-kdump-with-crash_kexec_post_notifiers-fix.patch
kexec-add-resriction-on-the-kexec_load-fix.patch
linux-next-rejects.patch
drivers-net-wireless-intel-iwlwifi-dvm-calibc-fix-min-warning.patch
bitmap-bitmap_equal-memcmp-optimization-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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