diff options
Diffstat (limited to 'main/linux-vanilla/mm-guard-against-under-sized-gap-in-unmapped_area-_topdown.patch')
| -rw-r--r-- | main/linux-vanilla/mm-guard-against-under-sized-gap-in-unmapped_area-_topdown.patch | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/main/linux-vanilla/mm-guard-against-under-sized-gap-in-unmapped_area-_topdown.patch b/main/linux-vanilla/mm-guard-against-under-sized-gap-in-unmapped_area-_topdown.patch deleted file mode 100644 index 5472fb5f19..0000000000 --- a/main/linux-vanilla/mm-guard-against-under-sized-gap-in-unmapped_area-_topdown.patch +++ /dev/null @@ -1,27 +0,0 @@ -Author: Hugh Dickins <hughd@google.com> -Date: Mon, 19 Jun 2017 21:40:56 -0700 -Description: mm: Guard against under-sized gap in unmapped_area{,_topdown}() -Origin: https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1426125.html - ---- a/mm/mmap.c -+++ b/mm/mmap.c -@@ -1817,7 +1817,8 @@ unsigned long unmapped_area(struct vm_un - /* Check if current node has a suitable gap */ - if (gap_start > high_limit) - return -ENOMEM; -- if (gap_end >= low_limit && gap_end - gap_start >= length) -+ if (gap_end >= low_limit && -+ gap_end > gap_start && gap_end - gap_start >= length) - goto found; - - /* Visit right subtree if it looks promising */ -@@ -1920,7 +1921,8 @@ unsigned long unmapped_area_topdown(stru - gap_end = vm_start_gap(vma); - if (gap_end < low_limit) - return -ENOMEM; -- if (gap_start <= high_limit && gap_end - gap_start >= length) -+ if (gap_start <= high_limit && -+ gap_end > gap_start && gap_end - gap_start >= length) - goto found; - - /* Visit left subtree if it looks promising */ |