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[PATCH] remove HASH_HIGHMEM

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It has no users and it's doubtful that we'll need it again.

Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andrew Morton 2006-12-06 20:37:33 -08:00 committed by Linus Torvalds
parent 93f210dd9e
commit 0490366432
2 changed files with 2 additions and 3 deletions
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3
include/linux/bootmem.h
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@ -119,8 +119,7 @@ extern void *alloc_large_system_hash(const char *tablename,
unsigned int *_hash_mask,
unsigned long limit);
#define HASH_HIGHMEM 0x00000001 /* Consider highmem? */
#define HASH_EARLY 0x00000002 /* Allocating during early boot? */
#define HASH_EARLY 0x00000001 /* Allocating during early boot? */
/* Only NUMA needs hash distribution.
* IA64 is known to have sufficient vmalloc space.

2
mm/page_alloc.c
View File

@ -3226,7 +3226,7 @@ void *__init alloc_large_system_hash(const char *tablename,
/* allow the kernel cmdline to have a say */
if (!numentries) {
/* round applicable memory size up to nearest megabyte */
numentries = (flags & HASH_HIGHMEM) ? nr_all_pages : nr_kernel_pages;
numentries = nr_kernel_pages;
numentries += (1UL << (20 - PAGE_SHIFT)) - 1;
numentries >>= 20 - PAGE_SHIFT;
numentries <<= 20 - PAGE_SHIFT;