this patch change the __init_end address to a page align address, so that
free_initmem()
can free the whole .init section, because if the end address is not page
aligned,
it will round down to a page align address, then the tail unligned page will
not be freed.
Signed-off-by: Yalin wang <yalin.w...@sonymobile.com>
---
arch/arm/kernel/vmlinux.lds.S | 2 +-
arch/arm64/kernel/vmlinux.lds.S | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 6f57cb9..8e95aa4 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -219,8 +219,8 @@ SECTIONS
__data_loc = ALIGN(4); /* location in binary */
. = PAGE_OFFSET + TEXT_OFFSET;
#else
- __init_end = .;
. = ALIGN(THREAD_SIZE);
+ __init_end = .;
__data_loc = .;
#endif
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 97f0c04..edf8715 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -97,9 +97,9 @@ SECTIONS
PERCPU_SECTION(64)
+ . = ALIGN(PAGE_SIZE);
__init_end = .;
- . = ALIGN(PAGE_SIZE);
_data = .;
_sdata = .;
RW_DATA_SECTION(64, PAGE_SIZE, THREAD_SIZE)
--
1.9.2.msysgit.0
--
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