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-rw-r--r--arch/arm/mm/Makefile2
-rw-r--r--arch/arm/mm/discontig.c34
-rw-r--r--arch/arm/mm/fault-armv.c10
-rw-r--r--arch/arm/mm/init.c2
4 files changed, 26 insertions, 22 deletions
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index f64b92557b11..2e27a8c8372b 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -76,3 +76,5 @@ obj-$(CONFIG_CPU_V7) += proc-v7.o
76 76
77obj-$(CONFIG_CACHE_FEROCEON_L2) += cache-feroceon-l2.o 77obj-$(CONFIG_CACHE_FEROCEON_L2) += cache-feroceon-l2.o
78obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o 78obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o
79obj-$(CONFIG_CACHE_XSC3L2) += cache-xsc3l2.o
80
diff --git a/arch/arm/mm/discontig.c b/arch/arm/mm/discontig.c
index 1e5602189507..c8c0c4b0f0a3 100644
--- a/arch/arm/mm/discontig.c
+++ b/arch/arm/mm/discontig.c
@@ -21,26 +21,24 @@
21 * Our node_data structure for discontiguous memory. 21 * Our node_data structure for discontiguous memory.
22 */ 22 */
23 23
24static bootmem_data_t node_bootmem_data[MAX_NUMNODES];
25
26pg_data_t discontig_node_data[MAX_NUMNODES] = { 24pg_data_t discontig_node_data[MAX_NUMNODES] = {
27 { .bdata = &node_bootmem_data[0] }, 25 { .bdata = &bootmem_node_data[0] },
28 { .bdata = &node_bootmem_data[1] }, 26 { .bdata = &bootmem_node_data[1] },
29 { .bdata = &node_bootmem_data[2] }, 27 { .bdata = &bootmem_node_data[2] },
30 { .bdata = &node_bootmem_data[3] }, 28 { .bdata = &bootmem_node_data[3] },
31#if MAX_NUMNODES == 16 29#if MAX_NUMNODES == 16
32 { .bdata = &node_bootmem_data[4] }, 30 { .bdata = &bootmem_node_data[4] },
33 { .bdata = &node_bootmem_data[5] }, 31 { .bdata = &bootmem_node_data[5] },
34 { .bdata = &node_bootmem_data[6] }, 32 { .bdata = &bootmem_node_data[6] },
35 { .bdata = &node_bootmem_data[7] }, 33 { .bdata = &bootmem_node_data[7] },
36 { .bdata = &node_bootmem_data[8] }, 34 { .bdata = &bootmem_node_data[8] },
37 { .bdata = &node_bootmem_data[9] }, 35 { .bdata = &bootmem_node_data[9] },
38 { .bdata = &node_bootmem_data[10] }, 36 { .bdata = &bootmem_node_data[10] },
39 { .bdata = &node_bootmem_data[11] }, 37 { .bdata = &bootmem_node_data[11] },
40 { .bdata = &node_bootmem_data[12] }, 38 { .bdata = &bootmem_node_data[12] },
41 { .bdata = &node_bootmem_data[13] }, 39 { .bdata = &bootmem_node_data[13] },
42 { .bdata = &node_bootmem_data[14] }, 40 { .bdata = &bootmem_node_data[14] },
43 { .bdata = &node_bootmem_data[15] }, 41 { .bdata = &bootmem_node_data[15] },
44#endif 42#endif
45}; 43};
46 44
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index fbfa26058442..a8ec97b4752e 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -37,7 +37,7 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
37 pgd_t *pgd; 37 pgd_t *pgd;
38 pmd_t *pmd; 38 pmd_t *pmd;
39 pte_t *pte, entry; 39 pte_t *pte, entry;
40 int ret = 0; 40 int ret;
41 41
42 pgd = pgd_offset(vma->vm_mm, address); 42 pgd = pgd_offset(vma->vm_mm, address);
43 if (pgd_none(*pgd)) 43 if (pgd_none(*pgd))
@@ -55,15 +55,19 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
55 entry = *pte; 55 entry = *pte;
56 56
57 /* 57 /*
58 * If this page is present, it's actually being shared.
59 */
60 ret = pte_present(entry);
61
62 /*
58 * If this page isn't present, or is already setup to 63 * If this page isn't present, or is already setup to
59 * fault (ie, is old), we can safely ignore any issues. 64 * fault (ie, is old), we can safely ignore any issues.
60 */ 65 */
61 if (pte_present(entry) && pte_val(entry) & shared_pte_mask) { 66 if (ret && pte_val(entry) & shared_pte_mask) {
62 flush_cache_page(vma, address, pte_pfn(entry)); 67 flush_cache_page(vma, address, pte_pfn(entry));
63 pte_val(entry) &= ~shared_pte_mask; 68 pte_val(entry) &= ~shared_pte_mask;
64 set_pte_at(vma->vm_mm, address, pte, entry); 69 set_pte_at(vma->vm_mm, address, pte, entry);
65 flush_tlb_page(vma, address); 70 flush_tlb_page(vma, address);
66 ret = 1;
67 } 71 }
68 pte_unmap(pte); 72 pte_unmap(pte);
69 return ret; 73 return ret;
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index b657f1719af0..e6352946dde0 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -284,7 +284,7 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
284 */ 284 */
285 arch_adjust_zones(node, zone_size, zhole_size); 285 arch_adjust_zones(node, zone_size, zhole_size);
286 286
287 free_area_init_node(node, pgdat, zone_size, start_pfn, zhole_size); 287 free_area_init_node(node, zone_size, start_pfn, zhole_size);
288 288
289 return end_pfn; 289 return end_pfn;
290} 290}