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Commit cbe37d09 authored by Badari Pulavarty's avatar Badari Pulavarty Committed by Linus Torvalds
Browse files

[PATCH] mm: remove PG_highmem 



Remove PG_highmem, to save a page flag.  Use is_highmem() instead.  It'll
generate a little more code, but we don't use PageHigheMem() in many places.

Signed-off-by: default avatarBadari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 73219d17

arch/frv/mm/init.c

+0 −1
Original line number Diff line number Diff line
@@ -169,7 +169,6 @@ void __init mem_init(void) 
		struct page *page = &mem_map[pfn];



		ClearPageReserved(page);

		set_bit(PG_highmem, &page->flags);

		set_page_count(page, 1);

		__free_page(page);

		totalram_pages++;

arch/i386/mm/init.c

+0 −1
Original line number Diff line number Diff line
@@ -269,7 +269,6 @@ void __init one_highpage_init(struct page *page, int pfn, int bad_ppro) 
{

	if (page_is_ram(pfn) && !(bad_ppro && page_kills_ppro(pfn))) {

		ClearPageReserved(page);

		set_bit(PG_highmem, &page->flags);

		set_page_count(page, 1);

		__free_page(page);

		totalhigh_pages++;

arch/mips/mm/init.c

+0 −1
Original line number Diff line number Diff line
@@ -232,7 +232,6 @@ void __init mem_init(void) 
#ifdef CONFIG_LIMITED_DMA

		set_page_address(page, lowmem_page_address(page));

#endif

		set_bit(PG_highmem, &page->flags);

		set_page_count(page, 1);

		__free_page(page);

		totalhigh_pages++;

arch/ppc/mm/init.c

+0 −1
Original line number Diff line number Diff line
@@ -469,7 +469,6 @@ void __init mem_init(void) 
			struct page *page = mem_map + pfn;



			ClearPageReserved(page);

			set_bit(PG_highmem, &page->flags);

			set_page_count(page, 1);

			__free_page(page);

			totalhigh_pages++;

arch/sparc/mm/init.c

+0 −1
Original line number Diff line number Diff line
@@ -384,7 +384,6 @@ void map_high_region(unsigned long start_pfn, unsigned long end_pfn) 
		struct page *page = pfn_to_page(tmp);



		ClearPageReserved(page);

		set_bit(PG_highmem, &page->flags);

		set_page_count(page, 1);

		__free_page(page);

		totalhigh_pages++;