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Fri, 21 Jul 2023 12:58:38 +0200 (CEST) Message-ID: <20230721105744.367616679@infradead.org> User-Agent: quilt/0.66 Date: Fri, 21 Jul 2023 12:22:47 +0200 From: Peter Zijlstra To: tglx@linutronix.de, axboe@kernel.dk Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, mingo@redhat.com, dvhart@infradead.org, dave@stgolabs.net, andrealmeid@igalia.com, Andrew Morton , urezki@gmail.com, hch@infradead.org, lstoakes@gmail.com, Arnd Bergmann , linux-api@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, malteskarupke@web.de Subject: [PATCH v1 10/14] mm: Add vmalloc_huge_node() References: <20230721102237.268073801@infradead.org> MIME-Version: 1.0 X-Stat-Signature: q8dpcxw3fr68sbfbi3a7osmtiq766oey X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 05D6880010 X-Rspam-User: X-HE-Tag: 1689937129-906263 X-HE-Meta: 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 JQ/Rz5ug FpvGYAky3408oQ+papvsouWgjjyka3kPcya7dznRhvgjou8bk2DPampSKzM53MoPMo0ThArTtT4ojc9mm4rVThdFkRROPYBG01kCpYU1s6VaiJCy81TeVK3y6wVUTKrEVCLtrSYgrf53HVhgycveWvENwD0GMjQRIeCd0F4Ner5tsWdukTowuLcNBfEtktuHfp0vifSSLoYlfrNubm/eNtsDSjn4t/GTPMcsnpeAMt+q+cufSUb3fD5LnJkhUQbcE48FCBW419GlejgG3Zgy3wRU1zLts+eMu9ierrnkCI7bisu63hoVk4CaaWDrZVL7ruH5/ X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: To enable node specific hash-tables. Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Christoph Hellwig --- include/linux/vmalloc.h | 1 + mm/vmalloc.c | 7 +++++++ 2 files changed, 8 insertions(+) --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -152,6 +152,7 @@ extern void *__vmalloc_node_range(unsign void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask, int node, const void *caller) __alloc_size(1); void *vmalloc_huge(unsigned long size, gfp_t gfp_mask) __alloc_size(1); +void *vmalloc_huge_node(unsigned long size, gfp_t gfp_mask, int node) __alloc_size(1); extern void *__vmalloc_array(size_t n, size_t size, gfp_t flags) __alloc_size(1, 2); extern void *vmalloc_array(size_t n, size_t size) __alloc_size(1, 2); --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -3416,6 +3416,13 @@ void *vmalloc(unsigned long size) } EXPORT_SYMBOL(vmalloc); +void *vmalloc_huge_node(unsigned long size, gfp_t gfp_mask, int node) +{ + return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END, + gfp_mask, PAGE_KERNEL, VM_ALLOW_HUGE_VMAP, + node, __builtin_return_address(0)); +} + /** * vmalloc_huge - allocate virtually contiguous memory, allow huge pages * @size: allocation size