diff options
| author | Arvind Sankar <nivedita@alum.mit.edu> | 2020-07-29 00:57:11 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-07-31 11:08:17 +0200 |
| commit | 79c2fd2afe55944098047721c33e06fd48654e57 (patch) | |
| tree | 131e70a443ebe7f9df748890e9675ea0d46d3837 | |
| parent | x86/kaslr: Drop some redundant checks from __process_mem_region() (diff) | |
| download | linux-79c2fd2afe55944098047721c33e06fd48654e57.tar.xz linux-79c2fd2afe55944098047721c33e06fd48654e57.zip | |
x86/kaslr: Fix off-by-one error in process_gb_huge_pages()
If the remaining size of the region is exactly 1Gb, there is still one
hugepage that can be reserved.
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200728225722.67457-11-nivedita@alum.mit.edu
| -rw-r--r-- | arch/x86/boot/compressed/kaslr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c index d074986e8061..0df513e3e2ce 100644 --- a/arch/x86/boot/compressed/kaslr.c +++ b/arch/x86/boot/compressed/kaslr.c @@ -562,7 +562,7 @@ process_gb_huge_pages(struct mem_vector *region, unsigned long image_size) size = region->size - (addr - region->start); /* Check how many 1GB huge pages can be filtered out: */ - while (size > PUD_SIZE && max_gb_huge_pages) { + while (size >= PUD_SIZE && max_gb_huge_pages) { size -= PUD_SIZE; max_gb_huge_pages--; i++; |