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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
| commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
| tree | 76267dbc9b9a130337be3640948fe397b04ac629 /mm/kmsan/shadow.c | |
| parent | Adding upstream version 6.6.15. (diff) | |
| download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip | |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mm/kmsan/shadow.c')
| -rw-r--r-- | mm/kmsan/shadow.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/mm/kmsan/shadow.c b/mm/kmsan/shadow.c index 87318f917..b9d05aff3 100644 --- a/mm/kmsan/shadow.c +++ b/mm/kmsan/shadow.c @@ -285,12 +285,17 @@ void __init kmsan_init_alloc_meta_for_range(void *start, void *end) size = PAGE_ALIGN((u64)end - (u64)start); shadow = memblock_alloc(size, PAGE_SIZE); origin = memblock_alloc(size, PAGE_SIZE); + + if (!shadow || !origin) + panic("%s: Failed to allocate metadata memory for early boot range of size %llu", + __func__, size); + for (u64 addr = 0; addr < size; addr += PAGE_SIZE) { page = virt_to_page_or_null((char *)start + addr); - shadow_p = virt_to_page_or_null((char *)shadow + addr); + shadow_p = virt_to_page((char *)shadow + addr); set_no_shadow_origin_page(shadow_p); shadow_page_for(page) = shadow_p; - origin_p = virt_to_page_or_null((char *)origin + addr); + origin_p = virt_to_page((char *)origin + addr); set_no_shadow_origin_page(origin_p); origin_page_for(page) = origin_p; } |