[PATCH] remove HASH_HIGHMEM
Andrew Morton [Thu, 7 Dec 2006 04:37:33 +0000 (20:37 -0800)]
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>

include/linux/bootmem.h
mm/page_alloc.c

index 31e9abb..2275f27 100644 (file)
@@ -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.
index d539f83..2273952 100644 (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;