From: Prasad Joshi <prasadjoshi124@gmail.com>
To: Hirokazu Takata <takata@linux-m32r.org>,
linux-m32r@ml.linux-m32r.org, linux-m32r-ja@ml.linux-m32r.org,
Prasad Joshi <prasadjoshi124@gmail.com>,
Anand Mitra <mitra@kqinfotech.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-arch@vger.kernel.org
Subject: [RFC][PATCH v2 07/23] (m32r) __vmalloc: add gfp flags variant of pte and pmd allocation
Date: Mon, 14 Mar 2011 17:39:54 +0000 [thread overview]
Message-ID: <AANLkTi=N6mnsHr-Cci3SOxYf=aNvPD-aEfLkQpU5-6+z@mail.gmail.com> (raw)
__vmalloc: propagating GFP allocation flag.
- adds functions to allow caller to pass the GFP flag for memory allocation
- helps in fixing the Bug 30702 (__vmalloc(GFP_NOFS) can callback
file system evict_inode).
Signed-off-by: Anand Mitra <mitra@kqinfotech.com>
Signed-off-by: Prasad Joshi <prasadjoshi124@gmail.com>
---
Chnagelog:
arch/m32r/include/asm/pgalloc.h | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/arch/m32r/include/asm/pgalloc.h b/arch/m32r/include/asm/pgalloc.h
index 0fc7361..0c1e4ae 100644
--- a/arch/m32r/include/asm/pgalloc.h
+++ b/arch/m32r/include/asm/pgalloc.h
@@ -30,12 +30,16 @@ static inline void pgd_free(struct mm_struct *mm,
pgd_t *pgd)
free_page((unsigned long)pgd);
}
+static __inline__ pte_t *__pte_alloc_one_kernel(struct mm_struct *mm,
+ unsigned long address, gfp_t gfp_mask)
+{
+ return (pte_t *)__get_free_page(gfp_mask | __GFP_ZERO);
+}
+
static __inline__ pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
- pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
-
- return pte;
+ return __pte_alloc_one_kernel(mm, address, GFP_KERNEL);
}
static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm,
@@ -66,6 +70,7 @@ static inline void pte_free(struct mm_struct *mm,
pgtable_t pte)
* (In the PAE case we free the pmds as part of the pgd.)
*/
+#define __pmd_alloc_one(mm, addr,mask) ({ BUG(); ((pmd_t *)2); })
#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
#define pmd_free(mm, x) do { } while (0)
#define __pmd_free_tlb(tlb, x, addr) do { } while (0)
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next reply other threads:[~2011-03-14 17:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-14 17:39 Prasad Joshi [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-03-14 17:39 [RFC][PATCH v2 07/23] (m32r) __vmalloc: add gfp flags variant of pte and pmd allocation Prasad Joshi
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