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[v4,15/21] decompress: Use 8 byte alignment

Message ID 20230602101313.3557775-16-ardb@kernel.org
State Superseded
Headers show
Series efi/x86: Avoid bare metal decompressor during EFI boot | expand

Commit Message

Ard Biesheuvel June 2, 2023, 10:13 a.m. UTC 
The ZSTD decompressor requires malloc() allocations to be 8 byte
aligned, so ensure that this the case.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 include/linux/decompress/mm.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
index 9192986b1a731323..ac862422df158bef 100644
--- a/include/linux/decompress/mm.h
+++ b/include/linux/decompress/mm.h
@@ -48,7 +48,7 @@  MALLOC_VISIBLE void *malloc(int size)
 	if (!malloc_ptr)
 		malloc_ptr = free_mem_ptr;
 
-	malloc_ptr = (malloc_ptr + 3) & ~3;     /* Align */
+	malloc_ptr = (malloc_ptr + 7) & ~7;     /* Align */
 
 	p = (void *)malloc_ptr;
 	malloc_ptr += size;