AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[PATCH] Move the fix to align node_end_pfns to a proper location

Browse Source 
Move the fix to align node_end_pfns to a proper location.  The earlier fix
made the node_remap_start_vaddr to get misaligned causing remap_numa_kva to
barf again :-/

Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ravikiran G Thirumalai 2005-08-07 09:42:50 -07:00 committed by Linus Torvalds
parent 079da354db
commit 4b0271eb9d
1 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
arch/i386/mm/discontig.c
View File

@ -243,14 +243,6 @@ static unsigned long calculate_numa_remap_pages(void)
/* now the roundup is correct, convert to PAGE_SIZE pages */
size = size * PTRS_PER_PTE;
if (node_end_pfn[nid] & (PTRS_PER_PTE-1)) {
/*
* Adjust size if node_end_pfn is not on a proper
* pmd boundary. remap_numa_kva will barf otherwise.
*/
size += node_end_pfn[nid] & (PTRS_PER_PTE-1);
}
/*
* Validate the region we are allocating only contains valid
* pages.
@ -270,6 +262,17 @@ static unsigned long calculate_numa_remap_pages(void)
reserve_pages += size;
printk("Shrinking node %d from %ld pages to %ld pages\n",
nid, node_end_pfn[nid], node_end_pfn[nid] - size);
if (node_end_pfn[nid] & (PTRS_PER_PTE-1)) {
/*
* Align node_end_pfn[] and node_remap_start_pfn[] to
* pmd boundary. remap_numa_kva will barf otherwise.
*/
printk("Shrinking node %d further by %ld pages for proper alignment\n",
nid, node_end_pfn[nid] & (PTRS_PER_PTE-1));
size += node_end_pfn[nid] & (PTRS_PER_PTE-1);
}
node_end_pfn[nid] -= size;
node_remap_start_pfn[nid] = node_end_pfn[nid];
}