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Message-ID: <20230807123323.434708155@infradead.org>
Date: Mon, 07 Aug 2023 14:18:53 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: tglx@...utronix.de, axboe@...nel.dk
Cc: linux-kernel@...r.kernel.org, peterz@...radead.org,
mingo@...hat.com, dvhart@...radead.org, dave@...olabs.net,
andrealmeid@...lia.com, Andrew Morton <akpm@...ux-foundation.org>,
urezki@...il.com, hch@...radead.org, lstoakes@...il.com,
Arnd Bergmann <arnd@...db.de>, linux-api@...r.kernel.org,
linux-mm@...ck.org, linux-arch@...r.kernel.org,
malteskarupke@....de, Christoph Hellwig <hch@....de>
Subject: [PATCH v2 10/14] mm: Add vmalloc_huge_node()
To enable node specific hash-tables.
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Christoph Hellwig <hch@....de>
---
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
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