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| author | Joel Stanley <joel@jms.id.au> | 2019-04-08 12:35:00 +0930 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2019-04-08 12:35:05 +0930 |
| commit | 0b37f9a0bd24d9622f75d981feac67e72351b6e8 (patch) | |
| tree | d40154b713e136a2d9dfb3fcb1903dd730bd234f /arch/powerpc/mm/hugetlbpage-radix.c | |
| parent | df66fbc97853fbba90a0bfa44de32f3d5f7602b4 (diff) | |
| parent | 8b298d3a0bd5feeb47129c4889356b38b78ab231 (diff) | |
| download | talos-obmc-linux-0b37f9a0bd24d9622f75d981feac67e72351b6e8.tar.gz talos-obmc-linux-0b37f9a0bd24d9622f75d981feac67e72351b6e8.zip | |
Merge tag 'v5.0.7' into dev-5.0
This is the 5.0.7 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage-radix.c')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage-radix.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/mm/hugetlbpage-radix.c b/arch/powerpc/mm/hugetlbpage-radix.c index 2486bee0f93e..97c7a39ebc00 100644 --- a/arch/powerpc/mm/hugetlbpage-radix.c +++ b/arch/powerpc/mm/hugetlbpage-radix.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/mm.h> #include <linux/hugetlb.h> +#include <linux/security.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/cacheflush.h> @@ -73,7 +74,7 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, if (addr) { addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); - if (high_limit - len >= addr && + if (high_limit - len >= addr && addr >= mmap_min_addr && (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -83,7 +84,7 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, */ info.flags = VM_UNMAPPED_AREA_TOPDOWN; info.length = len; - info.low_limit = PAGE_SIZE; + info.low_limit = max(PAGE_SIZE, mmap_min_addr); info.high_limit = mm->mmap_base + (high_limit - DEFAULT_MAP_WINDOW); info.align_mask = PAGE_MASK & ~huge_page_mask(h); info.align_offset = 0; |
