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* [PATCH] ext4: Export needed symbol for ZERO_PAGE usage in modules.
@ 2008-03-11  5:46 Aneesh Kumar K.V
  2008-03-11  5:50 ` Aneesh Kumar K.V
  0 siblings, 1 reply; 3+ messages in thread
From: Aneesh Kumar K.V @ 2008-03-11  5:46 UTC (permalink / raw)
  To: cmm, tytso; +Cc: linux-ext4, Aneesh Kumar K.V

ext4 use ZERO_PAGE(0) to zero out blocks. We need to export
different symbols in different arch for the usage of ZERO_PAGE
in modules.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 arch/arm/mm/mmu.c               |    1 +
 arch/m68k/mm/init.c             |    1 +
 arch/powerpc/kernel/ppc_ksyms.c |    2 ++
 arch/sparc/kernel/sparc_ksyms.c |    2 ++
 arch/sparc64/mm/init.c          |    1 +
 5 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index d41a75e..2d6d682 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -35,6 +35,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
  * zero-initialized data and COW.
  */
 struct page *empty_zero_page;
+EXPORT_SYMBOL(empty_zero_page);
 
 /*
  * The pmd table for the upper-most set of pages.
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index f42caa7..ee27ed2 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -69,6 +69,7 @@ void __init m68k_setup_node(int node)
  */
 
 void *empty_zero_page;
+EXPORT_SYMBOL(empty_zero_page);
 
 void show_mem(void)
 {
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index aa9ff35..97dab6e 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -189,3 +189,5 @@ EXPORT_SYMBOL(intercept_table);
 EXPORT_SYMBOL(__mtdcr);
 EXPORT_SYMBOL(__mfdcr);
 #endif
+
+EXPORT_SYMBOL(empty_zero_page);
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index c1025e5..e902846 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -295,3 +295,5 @@ EXPORT_SYMBOL(do_BUG);
 
 /* Sun Power Management Idle Handler */
 EXPORT_SYMBOL(pm_idle);
+
+EXPORT_SYMBOL(empty_zero_page);
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index b5c3041..2d15f92 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -159,6 +159,7 @@ extern unsigned int sparc_ramdisk_image;
 extern unsigned int sparc_ramdisk_size;
 
 struct page *mem_map_zero __read_mostly;
+EXPORT_SYMBOL(mem_map_zero);
 
 unsigned int sparc64_highest_unlocked_tlb_ent __read_mostly;
 
-- 
1.5.4.4.481.g5075.dirty


^ permalink raw reply related	[flat|nested] 3+ messages in thread
* Re: [PATCH] ext4: Export needed symbol for ZERO_PAGE usage in modules.
  2008-03-11  5:46 [PATCH] ext4: Export needed symbol for ZERO_PAGE usage in modules Aneesh Kumar K.V
@ 2008-03-11  5:50 ` Aneesh Kumar K.V
  0 siblings, 0 replies; 3+ messages in thread
From: Aneesh Kumar K.V @ 2008-03-11  5:50 UTC (permalink / raw)
  To: cmm, tytso; +Cc: linux-ext4

On Tue, Mar 11, 2008 at 11:16:32AM +0530, Aneesh Kumar K.V wrote:
> ext4 use ZERO_PAGE(0) to zero out blocks. We need to export
> different symbols in different arch for the usage of ZERO_PAGE
> in modules.
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> ---

This should be applied before ext4-fallocate-full-fs-ENOSPC-handling.patch


-aneesh

^ permalink raw reply	[flat|nested] 3+ messages in thread
* [PATCH] ext4: Export needed symbol for ZERO_PAGE usage in modules.
  2008-03-24 17:04 ` [PATCH] ext3: Use page_mkwrite vma_operations to get mmap write notification Aneesh Kumar K.V
@ 2008-03-24 17:04   ` Aneesh Kumar K.V
  0 siblings, 0 replies; 3+ messages in thread
From: Aneesh Kumar K.V @ 2008-03-24 17:04 UTC (permalink / raw)
  To: cmm, akpm; +Cc: linux-ext4, Aneesh Kumar K.V

ext4 use ZERO_PAGE(0) to zero out blocks. We need to export
different symbols in different arch for the usage of ZERO_PAGE
in modules.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 arch/arm/mm/mmu.c               |    1 +
 arch/m68k/mm/init.c             |    1 +
 arch/powerpc/kernel/ppc_ksyms.c |    2 ++
 arch/sparc/kernel/sparc_ksyms.c |    2 ++
 arch/sparc64/mm/init.c          |    1 +
 5 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index d41a75e..2d6d682 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -35,6 +35,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
  * zero-initialized data and COW.
  */
 struct page *empty_zero_page;
+EXPORT_SYMBOL(empty_zero_page);
 
 /*
  * The pmd table for the upper-most set of pages.
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index f42caa7..ee27ed2 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -69,6 +69,7 @@ void __init m68k_setup_node(int node)
  */
 
 void *empty_zero_page;
+EXPORT_SYMBOL(empty_zero_page);
 
 void show_mem(void)
 {
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 9c98424..93fb09a 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -192,3 +192,5 @@ EXPORT_SYMBOL(intercept_table);
 EXPORT_SYMBOL(__mtdcr);
 EXPORT_SYMBOL(__mfdcr);
 #endif
+
+EXPORT_SYMBOL(empty_zero_page);
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index c1025e5..e902846 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -295,3 +295,5 @@ EXPORT_SYMBOL(do_BUG);
 
 /* Sun Power Management Idle Handler */
 EXPORT_SYMBOL(pm_idle);
+
+EXPORT_SYMBOL(empty_zero_page);
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index b5c3041..2d15f92 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -159,6 +159,7 @@ extern unsigned int sparc_ramdisk_image;
 extern unsigned int sparc_ramdisk_size;
 
 struct page *mem_map_zero __read_mostly;
+EXPORT_SYMBOL(mem_map_zero);
 
 unsigned int sparc64_highest_unlocked_tlb_ent __read_mostly;
 
-- 
1.5.5.rc0.16.g02b00.dirty


^ permalink raw reply related	[flat|nested] 3+ messages in thread
end of thread, other threads:[~2008-03-24 17:05 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2008-03-11  5:46 [PATCH] ext4: Export needed symbol for ZERO_PAGE usage in modules Aneesh Kumar K.V
2008-03-11  5:50 ` Aneesh Kumar K.V
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2008-03-24 17:04 [PATCH] ext3: Return EIO if new block is allocated from system zone Aneesh Kumar K.V
2008-03-24 17:04 ` [PATCH] ext3: Use page_mkwrite vma_operations to get mmap write notification Aneesh Kumar K.V
2008-03-24 17:04   ` [PATCH] ext4: Export needed symbol for ZERO_PAGE usage in modules Aneesh Kumar K.V

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