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[PATCH] mm: Ensure proper alignment for node_remap_start_pfn

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While reserving KVA for lmem_maps of node, we have to make sure that
node_remap_start_pfn[] is aligned to a proper pmd boundary.
(node_remap_start_pfn[] gets its value from node_end_pfn[])

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 2005-07-29 14:03:28 -07:00 committed by Linus Torvalds
parent 590f47a1d9
commit 94d2ac66c1
1 changed files with 8 additions and 0 deletions
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arch/i386/mm/discontig.c
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@ -243,6 +243,14 @@ 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.