[PATCH 2/4] arm64: mm: fix the count comments in compute_indices
From: Dong Aisheng <aisheng.dong@nxp.com>
Date: 2021-05-18 10:25:10
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
'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 <aisheng.dong@nxp.com> --- arch/arm64/kernel/head.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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
--
2.25.1
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