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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2016-03-30 14:45:57 (GMT)
committerWill Deacon <will.deacon@arm.com>2016-04-14 15:31:49 (GMT)
commitd386825c959efeaae3315c25dd2d2874c68829c7 (patch)
tree13f56296a6c95d768615a2346d59cfaa83911d74 /arch/arm64/mm/init.c
parent97bbb54e4f27f4c63645f603bf767183ee0dd549 (diff)
downloadlinux-d386825c959efeaae3315c25dd2d2874c68829c7.tar.xz
arm64: mm: free __init memory via the linear mapping
The implementation of free_initmem_default() expects __init_begin and __init_end to be covered by the linear mapping, which is no longer the case. So open code it instead, using addresses that are explicitly translated from kernel virtual to linear virtual. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/mm/init.c')
-rw-r--r--arch/arm64/mm/init.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 82ced5f..89376f3 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -452,7 +452,8 @@ void __init mem_init(void)
void free_initmem(void)
{
- free_initmem_default(0);
+ free_reserved_area(__va(__pa(__init_begin)), __va(__pa(__init_end)),
+ 0, "unused kernel");
fixup_init();
}