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Subject[PATCH 10/17] tile: Remove tile-specific _sinitdata and _einitdata
Date
Use standard __init_begin and __init_end instead.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Chris Metcalf <cmetcalf@tilera.com>
---
arch/tile/include/asm/sections.h | 3 ---
arch/tile/kernel/vmlinux.lds.S | 2 --
arch/tile/mm/init.c | 18 +++++++++---------
3 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/arch/tile/include/asm/sections.h b/arch/tile/include/asm/sections.h
index 5d5d3b739a6b..86a746243dc8 100644
--- a/arch/tile/include/asm/sections.h
+++ b/arch/tile/include/asm/sections.h
@@ -19,9 +19,6 @@

#include <asm-generic/sections.h>

-/* Text and data are at different areas in the kernel VA space. */
-extern char _sinitdata[], _einitdata[];
-
/* Write-once data is writable only till the end of initialization. */
extern char __w1data_begin[], __w1data_end[];

diff --git a/arch/tile/kernel/vmlinux.lds.S b/arch/tile/kernel/vmlinux.lds.S
index f1819423ffc9..0e059a0101ea 100644
--- a/arch/tile/kernel/vmlinux.lds.S
+++ b/arch/tile/kernel/vmlinux.lds.S
@@ -66,11 +66,9 @@ SECTIONS

. = ALIGN(PAGE_SIZE);
__init_begin = .;
- VMLINUX_SYMBOL(_sinitdata) = .;
INIT_DATA_SECTION(16) :data =0
PERCPU_SECTION(L2_CACHE_BYTES)
. = ALIGN(PAGE_SIZE);
- VMLINUX_SYMBOL(_einitdata) = .;
__init_end = .;

_sdata = .; /* Start of data section */
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index 0fa1acfac79a..c4e0b6ddb48c 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -254,7 +254,7 @@ static pgprot_t __init init_pgprot(ulong address)
* Everything else that isn't data or bss is heap, so mark it
* with the initial heap home (hash-for-home, or this cpu). This
* includes any addresses after the loaded image and any address before
- * _einitdata, since we already captured the case of text before
+ * __init_end, since we already captured the case of text before
* _sinittext, and __pa(einittext) is approximately __pa(sinitdata).
*
* All the LOWMEM pages that we mark this way will get their
@@ -263,7 +263,7 @@ static pgprot_t __init init_pgprot(ulong address)
* homes, but with a zero free_time we don't have to actually
* do a flush action the first time we use them, either.
*/
- if (address >= (ulong) _end || address < (ulong) _einitdata)
+ if (address >= (ulong) _end || address < (ulong) __init_end)
return construct_pgprot(PAGE_KERNEL, initial_heap_home());

/* Use hash-for-home if requested for data/bss. */
@@ -534,7 +534,7 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)

BUG_ON(address != (unsigned long)_text);
pte = NULL;
- for (; address < (unsigned long)_einittext;
+ for (; address < (unsigned long)__init_end;
pfn++, address += PAGE_SIZE) {
pte_ofs = pte_index(address);
if (pte_ofs == 0) {
@@ -572,7 +572,7 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
else
pteval = hv_pte_set_mode(pteval,
HV_PTE_MODE_CACHE_NO_L3);
- for (; address < (unsigned long)_einittext;
+ for (; address < (unsigned long)__init_end;
pfn += PFN_DOWN(HPAGE_SIZE), address += HPAGE_SIZE)
*(pte_t *)(pmd++) = pfn_pte(pfn, pteval);
}
@@ -632,9 +632,9 @@ int devmem_is_allowed(unsigned long pagenr)
{
return pagenr < kaddr_to_pfn(_end) &&
!(pagenr >= kaddr_to_pfn(&init_thread_union) ||
- pagenr < kaddr_to_pfn(_einitdata)) &&
+ pagenr < kaddr_to_pfn(__init_end)) &&
!(pagenr >= kaddr_to_pfn(_sinittext) ||
- pagenr <= kaddr_to_pfn(_einittext-1));
+ pagenr <= kaddr_to_pfn(__init_end-1));
}

#ifdef CONFIG_HIGHMEM
@@ -975,8 +975,8 @@ void free_initmem(void)

/* Free the data pages that we won't use again after init. */
free_init_pages("unused kernel data",
- (unsigned long)_sinitdata,
- (unsigned long)_einitdata);
+ (unsigned long)__init_begin,
+ (unsigned long)__init_end);

/*
* Free the pages mapped from 0xc0000000 that correspond to code
@@ -984,7 +984,7 @@ void free_initmem(void)
*/
free_init_pages("unused kernel text",
(unsigned long)_sinittext - text_delta,
- (unsigned long)_einittext - text_delta);
+ (unsigned long)__init_end - text_delta);
/* Do a global TLB flush so everyone sees the changes. */
flush_tlb_all();
}
--
1.7.9.5


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