search for: vzalloc

Resubmittal of patches from November 2010 and a few new ones. Joe Perches (15): s390: Convert vmalloc/memset to vzalloc x86: Convert vmalloc/memset to vzalloc atm: Convert vmalloc/memset to vzalloc drbd: Convert vmalloc/memset to vzalloc char: Convert vmalloc/memset to vzalloc isdn: Convert vmalloc/memset to vzalloc md: Convert vmalloc/memset to vzalloc media: Convert vmalloc/memset to vzalloc mtd: C...

Resubmittal of patches from November 2010 and a few new ones. Joe Perches (15): s390: Convert vmalloc/memset to vzalloc x86: Convert vmalloc/memset to vzalloc atm: Convert vmalloc/memset to vzalloc drbd: Convert vmalloc/memset to vzalloc char: Convert vmalloc/memset to vzalloc isdn: Convert vmalloc/memset to vzalloc md: Convert vmalloc/memset to vzalloc media: Convert vmalloc/memset to vzalloc mtd: C...

Resubmittal of patches from November 2010 and a few new ones. Joe Perches (15): s390: Convert vmalloc/memset to vzalloc x86: Convert vmalloc/memset to vzalloc atm: Convert vmalloc/memset to vzalloc drbd: Convert vmalloc/memset to vzalloc char: Convert vmalloc/memset to vzalloc isdn: Convert vmalloc/memset to vzalloc md: Convert vmalloc/memset to vzalloc media: Convert vmalloc/memset to vzalloc mtd: C...

Signed-off-by: Joe Perches <joe at perches.com> --- V2 - Fixed vmalloc/vzalloc typo Thanks to Dave Young for noticing. drivers/video/arcfb.c | 5 ++--- drivers/video/broadsheetfb.c | 4 +--- drivers/video/hecubafb.c | 5 ++--- drivers/video/metronomefb.c | 4 +--- drivers/video/xen-fbfront.c | 3 +-- 5 files changed, 7 insertions(+), 14 deletions...

Signed-off-by: Joe Perches <joe at perches.com> --- V2 - Fixed vmalloc/vzalloc typo Thanks to Dave Young for noticing. drivers/video/arcfb.c | 5 ++--- drivers/video/broadsheetfb.c | 4 +--- drivers/video/hecubafb.c | 5 ++--- drivers/video/metronomefb.c | 4 +--- drivers/video/xen-fbfront.c | 3 +-- 5 files changed, 7 insertions(+), 14 deletions...

...da687..377dde3 100644 --- a/drivers/video/broadsheetfb.c +++ b/drivers/video/broadsheetfb.c @@ -1101,12 +1101,10 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev) videomemorysize = roundup((dpyw*dpyh), PAGE_SIZE); - videomemory = vmalloc(videomemorysize); + videomemory = vzalloc(videomemorysize); if (!videomemory) goto err_fb_rel; - memset(videomemory, 0, videomemorysize); - info->screen_base = (char *)videomemory; info->fbops = &broadsheetfb_ops; diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c index c77bcc6..a941e6f 100644 --- a/dri...

...da687..377dde3 100644 --- a/drivers/video/broadsheetfb.c +++ b/drivers/video/broadsheetfb.c @@ -1101,12 +1101,10 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev) videomemorysize = roundup((dpyw*dpyh), PAGE_SIZE); - videomemory = vmalloc(videomemorysize); + videomemory = vzalloc(videomemorysize); if (!videomemory) goto err_fb_rel; - memset(videomemory, 0, videomemorysize); - info->screen_base = (char *)videomemory; info->fbops = &broadsheetfb_ops; diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c index c77bcc6..a941e6f 100644 --- a/dri...

...; > > > > All error/warnings (new ones prefixed by >>): > > > > drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': > >>> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] > > vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); > > ^~~~~~~ > > vzalloc > >>> drivers/virtio/virtio_mem.c:1375:18: warning: assignment makes pointer from integer...

...; > > > > All error/warnings (new ones prefixed by >>): > > > > drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': > >>> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] > > vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); > > ^~~~~~~ > > vzalloc > >>> drivers/virtio/virtio_mem.c:1375:18: warning: assignment makes pointer from integer...

...ted-by: kbuild test robot <lkp at intel.com> All error/warnings (new ones prefixed by >>): drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': >> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); ^~~~~~~ vzalloc >> drivers/virtio/virtio_mem.c:1375:18: warning: assignment makes pointer from integer without a cast [-Wint-conversion]...

...ted-by: kbuild test robot <lkp at intel.com> All error/warnings (new ones prefixed by >>): drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': >> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); ^~~~~~~ vzalloc >> drivers/virtio/virtio_mem.c:1375:18: warning: assignment makes pointer from integer without a cast [-Wint-conversion]...

...All error/warnings (new ones prefixed by >>): > >>> > >>> drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': > >>>>> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] > >>> vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); > >>> ^~~~~~~ > >>> vzalloc > >>>>> drivers/virtio/virtio_mem.c:1375:18: warning: assig...

...All error/warnings (new ones prefixed by >>): > >>> > >>> drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': > >>>>> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] > >>> vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); > >>> ^~~~~~~ > >>> vzalloc > >>>>> drivers/virtio/virtio_mem.c:1375:18: warning: assig...

Most calls to nvkm_ramht_new use 0x8000 as the size. This results in a fairly sizeable chunk of memory to be allocated, which may not be available with kzalloc. Since this is done fairly rarely (once per channel), use vzalloc instead. Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu> --- drm/nouveau/nvkm/core/ramht.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drm/nouveau/nvkm/core/ramht.c b/drm/nouveau/nvkm/core/ramht.c index 3216e15..89da472 100644 --- a/drm/nouveau/nvkm/core/r...

...t <lkp at intel.com> > > All error/warnings (new ones prefixed by >>): > > drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': >>> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] > vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); > ^~~~~~~ > vzalloc >>> drivers/virtio/virtio_mem.c:1375:18: warning: assignment makes pointer from integer without a cast [-Wi...

...; >>> All error/warnings (new ones prefixed by >>): >>> >>> drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': >>>>> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] >>> vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); >>> ^~~~~~~ >>> vzalloc >>>>> drivers/virtio/virtio_mem.c:1375:18: warning: assignment makes pointer...

.../warnings (new ones prefixed by >>): >>>>> >>>>> drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': >>>>>>> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] >>>>> vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); >>>>> ^~~~~~~ >>>>> vzalloc >>>>>>> drivers/virtio/virtio_mem.c:1375:18: wa...

....Lawall at inria.fr> wrote: > Use array_size to protect against multiplication overflows. > > The changes were done using the following Coccinelle semantic patch: > > // <smpl> > @@ > expression E1, E2; > constant C1, C2; > identifier alloc = {vmalloc,vzalloc}; > @@ > > ( > alloc(C1 * C2,...) > | > alloc( > - (E1) * (E2) > + array_size(E1, E2) > ,...) > ) > // </smpl> > > Signed-off-by: Julia Lawall <Julia.Lawall at inria.fr> Reviewed-by: Xuan Zhuo <xuanzhuo at...

...ones prefixed by >>): > >>>>> > >>>>> drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': > >>>>>>> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] > >>>>> vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); > >>>>> ^~~~~~~ > >>>>> vzalloc > >>>>>>> drivers/virtio/virt...

On Wed, 18 Apr 2018, Eric Dumazet wrote: > > > On 04/18/2018 07:34 AM, Mikulas Patocka wrote: > > The patch 74d332c13b21 changes alloc_netdev_mqs to use vzalloc if kzalloc > > fails (later patches change it to kvzalloc). > > > > The problem with this is that if the vzalloc function is actually used, > > virtio_net doesn't work (because it expects that the extra memory should > > be accessible with DMA-API and memory all...