Signed-off-by: Anand Mitra <mitra@xxxxxxxxxxxxxx>
Signed-off-by: Prasad Joshi <prasadjoshi124@xxxxxxxxx>
---
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index f9b1667..908c7b6 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -87,8 +87,8 @@ static void vunmap_page_range(unsigned long addr,
unsigned long end)
} while (pgd++, addr = next, addr != end);
}
-static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
- unsigned long end, pgprot_t prot, struct page **pages, int *nr)
+static int vmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
+ pgprot_t prot, struct page **pages, int *nr, gfp_t gfp_mask)
{
pte_t *pte;
@@ -97,7 +97,7 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
* callers keep track of where we're up to.
*/
- pte = pte_alloc_kernel(pmd, addr);
+ pte = pte_alloc_kernel_with_mask(pmd, addr, gfp_mask);
if (!pte)
return -ENOMEM;
do {
@@ -114,34 +114,35 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
}
static int vmap_pmd_range(pud_t *pud, unsigned long addr,
- unsigned long end, pgprot_t prot, struct page **pages, int *nr)
+ unsigned long end, pgprot_t prot, struct page **pages, int
*nr, gfp_t gfp_mask)
{
pmd_t *pmd;
unsigned long next;
- pmd = pmd_alloc(&init_mm, pud, addr);
+ pmd = pmd_alloc_with_mask(&init_mm, pud, addr, gfp_mask);
if (!pmd)
return -ENOMEM;
do {
next = pmd_addr_end(addr, end);
- if (vmap_pte_range(pmd, addr, next, prot, pages, nr))
+ /* XXX TODO */
+ if (vmap_pte_range(pmd, addr, next, prot, pages, nr, gfp_mask))
return -ENOMEM;
} while (pmd++, addr = next, addr != end);
return 0;
}
-static int vmap_pud_range(pgd_t *pgd, unsigned long addr,
- unsigned long end, pgprot_t prot, struct page **pages, int *nr)
+static int vmap_pud_range(pgd_t *pgd, unsigned long addr, unsigned long end,
+ pgprot_t prot, struct page **pages, int *nr, gfp_t gfp_mask)
{
pud_t *pud;
unsigned long next;
- pud = pud_alloc(&init_mm, pgd, addr);
+ pud = pud_alloc_with_mask(&init_mm, pgd, addr, gfp_mask);
if (!pud)
return -ENOMEM;
do {
next = pud_addr_end(addr, end);
- if (vmap_pmd_range(pud, addr, next, prot, pages, nr))
+ if (vmap_pmd_range(pud, addr, next, prot, pages, nr, gfp_mask))
return -ENOMEM;
} while (pud++, addr = next, addr != end);
return 0;
@@ -153,8 +154,8 @@ static int vmap_pud_range(pgd_t *pgd, unsigned long addr,
*
* Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N]
*/
-static int vmap_page_range_noflush(unsigned long start, unsigned long end,
- pgprot_t prot, struct page **pages)
+static int __vmap_page_range_noflush(unsigned long start, unsigned long end,
+ pgprot_t prot, struct page **pages, gfp_t gfp_mask)
{
pgd_t *pgd;
unsigned long next;
@@ -166,7 +167,7 @@ static int vmap_page_range_noflush(unsigned long
start, unsigned long end,
pgd = pgd_offset_k(addr);
do {
next = pgd_addr_end(addr, end);
- err = vmap_pud_range(pgd, addr, next, prot, pages, &nr);
+ err = vmap_pud_range(pgd, addr, next, prot, pages, &nr, gfp_mask);
if (err)
return err;
} while (pgd++, addr = next, addr != end);
@@ -174,16 +175,29 @@ static int vmap_page_range_noflush(unsigned long
start, unsigned long end,
return nr;
}
-static int vmap_page_range(unsigned long start, unsigned long end,
- pgprot_t prot, struct page **pages)
+
+static int vmap_page_range_noflush(unsigned long start, unsigned long end,
+ pgprot_t prot, struct page **pages)
+{
+ return __vmap_page_range_noflush(start, end, prot, pages, GFP_KERNEL);
+}
+
+static int __vmap_page_range(unsigned long start, unsigned long end,
+ pgprot_t prot, struct page **pages, gfp_t gfp_mask)
{
int ret;
- ret = vmap_page_range_noflush(start, end, prot, pages);
+ ret = __vmap_page_range_noflush(start, end, prot, pages, gfp_mask);
flush_cache_vmap(start, end);
return ret;
}
+static int vmap_page_range(unsigned long start, unsigned long end,
+ pgprot_t prot, struct page **pages)
+{
+ return __vmap_page_range(start, end, prot, pages, GFP_KERNEL);
+}
+
int is_vmalloc_or_module_addr(const void *x)
{
/*
@@ -1194,13 +1208,14 @@ void unmap_kernel_range(unsigned long addr,
unsigned long size)
flush_tlb_kernel_range(addr, end);
}
-int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
+int __map_vm_area(struct vm_struct *area, pgprot_t prot,
+ struct page ***pages, gfp_t gfp_mask)
{
unsigned long addr = (unsigned long)area->addr;
unsigned long end = addr + area->size - PAGE_SIZE;
int err;
- err = vmap_page_range(addr, end, prot, *pages);
+ err = __vmap_page_range(addr, end, prot, *pages, gfp_mask);
if (err > 0) {
*pages += err;
err = 0;
@@ -1208,6 +1223,11 @@ int map_vm_area(struct vm_struct *area,
pgprot_t prot, struct page ***pages)
return err;
}
+
+int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
+{
+ return __map_vm_area(area, prot, pages, GFP_KERNEL);
+}
EXPORT_SYMBOL_GPL(map_vm_area);
/*** Old vmalloc interfaces ***/
@@ -1522,7 +1542,7 @@ static void *__vmalloc_area_node(struct
vm_struct *area, gfp_t gfp_mask,
area->pages[i] = page;
}
- if (map_vm_area(area, prot, &pages))
+ if (__map_vm_area(area, prot, &pages, gfp_mask))
goto fail;
return area->addr;
--
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