The patch titled
use SLAB_PANIC flag cleanup
has been added to the -mm tree. Its filename is
use-slab_panic-flag-cleanup.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: use SLAB_PANIC flag cleanup
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Use SLAB_PANIC and delete duplicated panic().
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Ian Molton <spyro@xxxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm26/mm/memc.c | 8 ++------
arch/frv/mm/pgalloc.c | 4 +---
arch/i386/mm/init.c | 9 ++-------
arch/ia64/ia32/ia32_support.c | 6 ++----
arch/powerpc/mm/hugetlbpage.c | 5 ++---
arch/powerpc/mm/init_64.c | 6 ++----
arch/sh/mm/pmb.c | 6 +++---
7 files changed, 14 insertions(+), 30 deletions(-)
diff -puN arch/arm26/mm/memc.c~use-slab_panic-flag-cleanup arch/arm26/mm/memc.c
--- a/arch/arm26/mm/memc.c~use-slab_panic-flag-cleanup
+++ a/arch/arm26/mm/memc.c
@@ -176,13 +176,9 @@ void __init pgtable_cache_init(void)
{
pte_cache = kmem_cache_create("pte-cache",
sizeof(pte_t) * PTRS_PER_PTE,
- 0, 0, pte_cache_ctor, NULL);
- if (!pte_cache)
- BUG();
+ 0, SLAB_PANIC, pte_cache_ctor, NULL);
pgd_cache = kmem_cache_create("pgd-cache", MEMC_TABLE_SIZE +
sizeof(pgd_t) * PTRS_PER_PGD,
- 0, 0, pgd_cache_ctor, NULL);
- if (!pgd_cache)
- BUG();
+ 0, SLAB_PANIC, pgd_cache_ctor, NULL);
}
diff -puN arch/frv/mm/pgalloc.c~use-slab_panic-flag-cleanup arch/frv/mm/pgalloc.c
--- a/arch/frv/mm/pgalloc.c~use-slab_panic-flag-cleanup
+++ a/arch/frv/mm/pgalloc.c
@@ -151,9 +151,7 @@ void __init pgtable_cache_init(void)
pgd_cache = kmem_cache_create("pgd",
PTRS_PER_PGD * sizeof(pgd_t),
PTRS_PER_PGD * sizeof(pgd_t),
- 0,
+ SLAB_PANIC,
pgd_ctor,
pgd_dtor);
- if (!pgd_cache)
- panic("pgtable_cache_init(): Cannot create pgd cache");
}
diff -puN arch/i386/mm/init.c~use-slab_panic-flag-cleanup arch/i386/mm/init.c
--- a/arch/i386/mm/init.c~use-slab_panic-flag-cleanup
+++ a/arch/i386/mm/init.c
@@ -763,12 +763,9 @@ void __init pgtable_cache_init(void)
pmd_cache = kmem_cache_create("pmd",
PTRS_PER_PMD*sizeof(pmd_t),
PTRS_PER_PMD*sizeof(pmd_t),
- 0,
+ SLAB_PANIC,
pmd_ctor,
NULL);
- if (!pmd_cache)
- panic("pgtable_cache_init(): cannot create pmd cache");
-
if (!SHARED_KERNEL_PMD) {
/* If we're in PAE mode and have a non-shared
kernel pmd, then the pgd size must be a
@@ -782,11 +779,9 @@ void __init pgtable_cache_init(void)
pgd_cache = kmem_cache_create("pgd",
pgd_size,
pgd_size,
- 0,
+ SLAB_PANIC,
pgd_ctor,
(!SHARED_KERNEL_PMD) ? pgd_dtor : NULL);
- if (!pgd_cache)
- panic("pgtable_cache_init(): Cannot create pgd cache");
}
/*
diff -puN arch/ia64/ia32/ia32_support.c~use-slab_panic-flag-cleanup arch/ia64/ia32/ia32_support.c
--- a/arch/ia64/ia32/ia32_support.c~use-slab_panic-flag-cleanup
+++ a/arch/ia64/ia32/ia32_support.c
@@ -252,10 +252,8 @@ ia32_init (void)
extern struct kmem_cache *partial_page_cachep;
partial_page_cachep = kmem_cache_create("partial_page_cache",
- sizeof(struct partial_page), 0, 0,
- NULL, NULL);
- if (!partial_page_cachep)
- panic("Cannot create partial page SLAB cache");
+ sizeof(struct partial_page),
+ 0, SLAB_PANIC, NULL, NULL);
}
#endif
return 0;
diff -puN arch/powerpc/mm/hugetlbpage.c~use-slab_panic-flag-cleanup arch/powerpc/mm/hugetlbpage.c
--- a/arch/powerpc/mm/hugetlbpage.c~use-slab_panic-flag-cleanup
+++ a/arch/powerpc/mm/hugetlbpage.c
@@ -1063,10 +1063,9 @@ static int __init hugetlbpage_init(void)
HUGEPTE_TABLE_SIZE,
HUGEPTE_TABLE_SIZE,
SLAB_HWCACHE_ALIGN |
- SLAB_MUST_HWCACHE_ALIGN,
+ SLAB_MUST_HWCACHE_ALIGN |
+ SLAB_PANIC,
zero_ctor, NULL);
- if (! huge_pgtable_cache)
- panic("hugetlbpage_init(): could not create hugepte cache\n");
return 0;
}
diff -puN arch/powerpc/mm/init_64.c~use-slab_panic-flag-cleanup arch/powerpc/mm/init_64.c
--- a/arch/powerpc/mm/init_64.c~use-slab_panic-flag-cleanup
+++ a/arch/powerpc/mm/init_64.c
@@ -184,11 +184,9 @@ void pgtable_cache_init(void)
pgtable_cache[i] = kmem_cache_create(name,
size, size,
SLAB_HWCACHE_ALIGN |
- SLAB_MUST_HWCACHE_ALIGN,
+ SLAB_MUST_HWCACHE_ALIGN |
+ SLAB_PANIC,
zero_ctor,
NULL);
- if (! pgtable_cache[i])
- panic("pgtable_cache_init(): could not create %s!\n",
- name);
}
}
diff -puN arch/sh/mm/pmb.c~use-slab_panic-flag-cleanup arch/sh/mm/pmb.c
--- a/arch/sh/mm/pmb.c~use-slab_panic-flag-cleanup
+++ a/arch/sh/mm/pmb.c
@@ -311,9 +311,9 @@ static int __init pmb_init(void)
BUG_ON(unlikely(nr_entries >= NR_PMB_ENTRIES));
- pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry),
- 0, 0, pmb_cache_ctor, pmb_cache_dtor);
- BUG_ON(!pmb_cache);
+ pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry), 0,
+ SLAB_PANIC, pmb_cache_ctor,
+ pmb_cache_dtor);
jump_to_P2();
_
Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx are
auth_gss-unregister-gss_domain-when-unloading-module.patch
slob-handle-slab_panic-flag.patch
simplify-the-stacktrace-code.patch
dtlk-fix-error-checks-in-module_init.patch
dtlk-fix-error-checks-in-module_init-fix.patch
use-slab_panic-flag-cleanup.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
