slab: remove the redundant declaration of kmalloc
Subsystems (2)
PATCH 1/1 slab: remove the redundant declaration of kmalloc
Signed-off-by Qiang Huang <[email protected]>
--- include/linux/slab.h | 102 +++++++++++++++++++++++---------------------------- 1 file changed, 46 insertions(+), 56 deletions(-)
include/linux/slab.h +46 -56
@@ -381,7 +381,52 @@ static __always_inline void *kmalloc_large(size_t size, gfp_t flags)/** * kmalloc - allocate memory * @size: how many bytes of memory are required. -* @flags: the type of memory to allocate (see kcalloc). +* @flags: the type of memory to allocate. +* +* The @flags argument may be one of: +* +* %GFP_USER - Allocate memory on behalf of user. May sleep. +* +* %GFP_KERNEL - Allocate normal kernel ram. May sleep. +* +* %GFP_ATOMIC - Allocation will not sleep. May use emergency pools. +* For example, use this inside interrupt handlers. +* +* %GFP_HIGHUSER - Allocate pages from high memory. +* +* %GFP_NOIO - Do not do any I/O at all while trying to get memory. +* +* %GFP_NOFS - Do not make any fs calls while trying to get memory. +* +* %GFP_NOWAIT - Allocation will not sleep. +* +* %GFP_THISNODE - Allocate node-local memory only. +* +* %GFP_DMA - Allocation suitable for DMA. +* Should only be used for kmalloc() caches. Otherwise, use a +* slab created with SLAB_DMA. +* +* Also it is possible to set different flags by OR'ing +* in one or more of the following additional @flags: +* +* %__GFP_COLD - Request cache-cold pages instead of +* trying to return cache-warm pages. +* +* %__GFP_HIGH - This allocation has high priority and may use emergency pools. +* +* %__GFP_NOFAIL - Indicate that this allocation is in no way allowed to fail +* (think twice before using). +* +* %__GFP_NORETRY - If memory is not immediately available, +* then give up at once. +* +* %__GFP_NOWARN - If allocation fails, don't issue any warnings. +* +* %__GFP_REPEAT - If allocation fails initially, try once more before failing. +* +* There are other flags available as well, but these are not intended +* for general use, and so are not documented here. For a full list of +* potential flags, always refer to linux/gfp.h. * * kmalloc is the normal method of allocating memory * for objects smaller than page size in the kernel.
@@ -495,61 +540,6 @@ int cache_show(struct kmem_cache *s, struct seq_file *m);void print_slabinfo_header (struct seq_file *m);/** -* kmalloc - allocate memory -* @size: how many bytes of memory are required. -* @flags: the type of memory to allocate. -* -* The @flags argument may be one of: -* -* %GFP_USER - Allocate memory on behalf of user. May sleep. -* -* %GFP_KERNEL - Allocate normal kernel ram. May sleep. -* -* %GFP_ATOMIC - Allocation will not sleep. May use emergency pools. -* For example, use this inside interrupt handlers. -* -* %GFP_HIGHUSER - Allocate pages from high memory. -* -* %GFP_NOIO - Do not do any I/O at all while trying to get memory. -* -* %GFP_NOFS - Do not make any fs calls while trying to get memory. -* -* %GFP_NOWAIT - Allocation will not sleep. -* -* %GFP_THISNODE - Allocate node-local memory only. -* -* %GFP_DMA - Allocation suitable for DMA. -* Should only be used for kmalloc() caches. Otherwise, use a -* slab created with SLAB_DMA. -* -* Also it is possible to set different flags by OR'ing -* in one or more of the following additional @flags: -* -* %__GFP_COLD - Request cache-cold pages instead of -* trying to return cache-warm pages. -* -* %__GFP_HIGH - This allocation has high priority and may use emergency pools. -* -* %__GFP_NOFAIL - Indicate that this allocation is in no way allowed to fail -* (think twice before using). -* -* %__GFP_NORETRY - If memory is not immediately available, -* then give up at once. -* -* %__GFP_NOWARN - If allocation fails, don't issue any warnings. -* -* %__GFP_REPEAT - If allocation fails initially, try once more before failing. -* -* There are other flags available as well, but these are not intended -* for general use, and so are not documented here. For a full list of -* potential flags, always refer to linux/gfp.h. -* -* kmalloc is the normal method of allocating memory -* in the kernel. -*/ -static __always_inline void *kmalloc(size_t size, gfp_t flags); - -/** * kmalloc_array - allocate memory for an array. * @n: number of elements. * @size: element size.
Signature · 7 lines
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Quoted 2 lines · Qiang Huang
Signed-off-by Qiang Huang <[email protected]>
or use my patch from 2013-09-17:
http://marc.info/?l=linux-mm&m=137944291611467&w=2
Would be nice to one of these merged...
Quoted 125 lines
--- include/linux/slab.h | 102 +++++++++++++++++++++++---------------------------- 1 file changed, 46 insertions(+), 56 deletions(-)include/linux/slab.h +46
-56@@ -381,7 +381,52 @@ static __always_inline void *kmalloc_large(size_t size, gfp_t flags)/** * kmalloc - allocate memory * @size: how many bytes of memory are required. -* @flags: the type of memory to allocate (see kcalloc). +* @flags: the type of memory to allocate. +* +* The @flags argument may be one of: +* +* %GFP_USER - Allocate memory on behalf of user. May sleep. +* +* %GFP_KERNEL - Allocate normal kernel ram. May sleep. +* +* %GFP_ATOMIC - Allocation will not sleep. May use emergency pools. +* For example, use this inside interrupt handlers. +* +* %GFP_HIGHUSER - Allocate pages from high memory. +* +* %GFP_NOIO - Do not do any I/O at all while trying to get memory. +* +* %GFP_NOFS - Do not make any fs calls while trying to get memory. +* +* %GFP_NOWAIT - Allocation will not sleep. +* +* %GFP_THISNODE - Allocate node-local memory only. +* +* %GFP_DMA - Allocation suitable for DMA. +* Should only be used for kmalloc() caches. Otherwise, use a +* slab created with SLAB_DMA. +* +* Also it is possible to set different flags by OR'ing +* in one or more of the following additional @flags: +* +* %__GFP_COLD - Request cache-cold pages instead of +* trying to return cache-warm pages. +* +* %__GFP_HIGH - This allocation has high priority and may use emergency pools. +* +* %__GFP_NOFAIL - Indicate that this allocation is in no way allowed to fail +* (think twice before using). +* +* %__GFP_NORETRY - If memory is not immediately available, +* then give up at once. +* +* %__GFP_NOWARN - If allocation fails, don't issue any warnings. +* +* %__GFP_REPEAT - If allocation fails initially, try once more before failing. +* +* There are other flags available as well, but these are not intended +* for general use, and so are not documented here. For a full list of +* potential flags, always refer to linux/gfp.h. * * kmalloc is the normal method of allocating memory * for objects smaller than page size in the kernel. @@ -495,61 +540,6 @@ int cache_show(struct kmem_cache *s, struct seq_file *m);void print_slabinfo_header (struct seq_file *m);/** -* kmalloc - allocate memory -* @size: how many bytes of memory are required. -* @flags: the type of memory to allocate. -* -* The @flags argument may be one of: -* -* %GFP_USER - Allocate memory on behalf of user. May sleep. -* -* %GFP_KERNEL - Allocate normal kernel ram. May sleep. -* -* %GFP_ATOMIC - Allocation will not sleep. May use emergency pools. -* For example, use this inside interrupt handlers. -* -* %GFP_HIGHUSER - Allocate pages from high memory. -* -* %GFP_NOIO - Do not do any I/O at all while trying to get memory. -* -* %GFP_NOFS - Do not make any fs calls while trying to get memory. -* -* %GFP_NOWAIT - Allocation will not sleep. -* -* %GFP_THISNODE - Allocate node-local memory only. -* -* %GFP_DMA - Allocation suitable for DMA. -* Should only be used for kmalloc() caches. Otherwise, use a -* slab created with SLAB_DMA. -* -* Also it is possible to set different flags by OR'ing -* in one or more of the following additional @flags: -* -* %__GFP_COLD - Request cache-cold pages instead of -* trying to return cache-warm pages. -* -* %__GFP_HIGH - This allocation has high priority and may use emergency pools. -* -* %__GFP_NOFAIL - Indicate that this allocation is in no way allowed to fail -* (think twice before using). -* -* %__GFP_NORETRY - If memory is not immediately available, -* then give up at once. -* -* %__GFP_NOWARN - If allocation fails, don't issue any warnings. -* -* %__GFP_REPEAT - If allocation fails initially, try once more before failing. -* -* There are other flags available as well, but these are not intended -* for general use, and so are not documented here. For a full list of -* potential flags, always refer to linux/gfp.h. -* -* kmalloc is the normal method of allocating memory -* in the kernel. -*/ -static __always_inline void *kmalloc(size_t size, gfp_t flags); - -/** * kmalloc_array - allocate memory for an array. * @n: number of elements. * @size: element size.
Signature · 7 lines
~Randy -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to [email protected]. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"[email protected]"> [email protected] </a>
Quoted 8 lines · Randy Dunlap
Quoted 2 lines · Qiang Huang
Signed-off-by Qiang Huang <[email protected]>or use my patch from 2013-09-17:
http://marc.info/?l=linux-mm&m=137944291611467&w=2Would be nice to one of these merged...
Yes, sorry for not notice this, merge your patch should be property :) But why it's still not be merged?
Ping...
Quoted 129 lines
Quoted 127 lines
--- include/linux/slab.h | 102 +++++++++++++++++++++++---------------------------- 1 file changed, 46 insertions(+), 56 deletions(-)include/linux/slab.h +46
-56@@ -381,7 +381,52 @@ static __always_inline void *kmalloc_large(size_t size, gfp_t flags)/** * kmalloc - allocate memory * @size: how many bytes of memory are required. -* @flags: the type of memory to allocate (see kcalloc). +* @flags: the type of memory to allocate. +* +* The @flags argument may be one of: +* +* %GFP_USER - Allocate memory on behalf of user. May sleep. +* +* %GFP_KERNEL - Allocate normal kernel ram. May sleep. +* +* %GFP_ATOMIC - Allocation will not sleep. May use emergency pools. +* For example, use this inside interrupt handlers. +* +* %GFP_HIGHUSER - Allocate pages from high memory. +* +* %GFP_NOIO - Do not do any I/O at all while trying to get memory. +* +* %GFP_NOFS - Do not make any fs calls while trying to get memory. +* +* %GFP_NOWAIT - Allocation will not sleep. +* +* %GFP_THISNODE - Allocate node-local memory only. +* +* %GFP_DMA - Allocation suitable for DMA. +* Should only be used for kmalloc() caches. Otherwise, use a +* slab created with SLAB_DMA. +* +* Also it is possible to set different flags by OR'ing +* in one or more of the following additional @flags: +* +* %__GFP_COLD - Request cache-cold pages instead of +* trying to return cache-warm pages. +* +* %__GFP_HIGH - This allocation has high priority and may use emergency pools. +* +* %__GFP_NOFAIL - Indicate that this allocation is in no way allowed to fail +* (think twice before using). +* +* %__GFP_NORETRY - If memory is not immediately available, +* then give up at once. +* +* %__GFP_NOWARN - If allocation fails, don't issue any warnings. +* +* %__GFP_REPEAT - If allocation fails initially, try once more before failing. +* +* There are other flags available as well, but these are not intended +* for general use, and so are not documented here. For a full list of +* potential flags, always refer to linux/gfp.h. * * kmalloc is the normal method of allocating memory * for objects smaller than page size in the kernel. @@ -495,61 +540,6 @@ int cache_show(struct kmem_cache *s, struct seq_file *m);void print_slabinfo_header (struct seq_file *m);/** -* kmalloc - allocate memory -* @size: how many bytes of memory are required. -* @flags: the type of memory to allocate. -* -* The @flags argument may be one of: -* -* %GFP_USER - Allocate memory on behalf of user. May sleep. -* -* %GFP_KERNEL - Allocate normal kernel ram. May sleep. -* -* %GFP_ATOMIC - Allocation will not sleep. May use emergency pools. -* For example, use this inside interrupt handlers. -* -* %GFP_HIGHUSER - Allocate pages from high memory. -* -* %GFP_NOIO - Do not do any I/O at all while trying to get memory. -* -* %GFP_NOFS - Do not make any fs calls while trying to get memory. -* -* %GFP_NOWAIT - Allocation will not sleep. -* -* %GFP_THISNODE - Allocate node-local memory only. -* -* %GFP_DMA - Allocation suitable for DMA. -* Should only be used for kmalloc() caches. Otherwise, use a -* slab created with SLAB_DMA. -* -* Also it is possible to set different flags by OR'ing -* in one or more of the following additional @flags: -* -* %__GFP_COLD - Request cache-cold pages instead of -* trying to return cache-warm pages. -* -* %__GFP_HIGH - This allocation has high priority and may use emergency pools. -* -* %__GFP_NOFAIL - Indicate that this allocation is in no way allowed to fail -* (think twice before using). -* -* %__GFP_NORETRY - If memory is not immediately available, -* then give up at once. -* -* %__GFP_NOWARN - If allocation fails, don't issue any warnings. -* -* %__GFP_REPEAT - If allocation fails initially, try once more before failing. -* -* There are other flags available as well, but these are not intended -* for general use, and so are not documented here. For a full list of -* potential flags, always refer to linux/gfp.h. -* -* kmalloc is the normal method of allocating memory -* in the kernel. -*/ -static __always_inline void *kmalloc(size_t size, gfp_t flags); - -/** * kmalloc_array - allocate memory for an array. * @n: number of elements. * @size: element size.
Quoted 8 lines · Qiang Huang
Quoted 7 lines · Randy Dunlap
Quoted 2 lines · Qiang Huang
Signed-off-by Qiang Huang <[email protected]>or use my patch from 2013-09-17:
http://marc.info/?l=linux-mm&m=137944291611467&w=2
Quoted 6 lines
Quoted 1 line
Would be nice to one of these merged...
Yes, sorry for not notice this, merge your patch should be property :) But why it's still not be merged?
Ping...
I don't know. I'll resend it now.
Thanks.
Signature · 7 lines
~Randy -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to [email protected]. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"[email protected]"> [email protected] </a>