Commit 454ac3ec authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Chris Metcalf
Browse files

tile: Remove tile-specific _sinitdata and _einitdata 



Use standard __init_begin and __init_end instead.

Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: default avatarChris Metcalf <cmetcalf@tilera.com>
parent 367b9380

arch/tile/include/asm/sections.h

+0 −3
Original line number Diff line number Diff line
@@ -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[];

arch/tile/kernel/vmlinux.lds.S

+0 −2
Original line number Diff line number Diff line
@@ -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 */

arch/tile/mm/init.c

+6 −6
Original line number Diff line number Diff line
@@ -254,8 +254,8 @@ 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

	 * _sinittext, and __pa(einittext) is approximately __pa(sinitdata).

	 * __init_end, since we already captured the case of text before

	 * _sinittext, and __pa(einittext) is approximately __pa(__init_begin).

	 *

	 * All the LOWMEM pages that we mark this way will get their

	 * struct page homecache properly marked later, in set_page_homes().
@@ -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. */
@@ -632,7 +632,7 @@ 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));

}
@@ -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