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authorDong Aisheng <[email protected]>2021-05-18 18:14:03 +0800
committerWill Deacon <[email protected]>2021-06-15 19:05:28 +0100
commitc70fe14f83ae0793a1119fa5741b19ab9ba411b2 (patch)
treebe780f3d8234a4d28fa2a37bc8bfbc383c111f0c
parent9163f01130304fab1f74683d7d44632da7bda637 (diff)
arm64: mm: fix the count comments in compute_indices
'count - 1' is confusing and not comply with the real code running. 'count' actually represents the extra entries required, no need minus 1. Signed-off-by: Dong Aisheng <[email protected]> Acked-by: Catalin Marinas <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Will Deacon <[email protected]>
-rw-r--r--arch/arm64/kernel/head.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 96873dfa67fd..b70db34458ec 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -195,7 +195,7 @@ SYM_CODE_END(preserve_boot_args)
and \iend, \iend, \istart // iend = (vend >> shift) & (ptrs - 1)
mov \istart, \ptrs
mul \istart, \istart, \count
- add \iend, \iend, \istart // iend += (count - 1) * ptrs
+ add \iend, \iend, \istart // iend += count * ptrs
// our entries span multiple tables
lsr \istart, \vstart, \shift