The patch titled
Subject: mm: vmalloc: rename addr_to_vb_xarray() function
has been added to the -mm mm-unstable branch. Its filename is
mm-vmalloc-rename-addr_to_vb_xarray-function.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmalloc-rename-addr_to_vb_xarray-function.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: "Uladzislau Rezki (Sony)" <urezki@xxxxxxxxx>
Subject: mm: vmalloc: rename addr_to_vb_xarray() function
Date: Fri, 31 Mar 2023 09:37:27 +0200
Short the name of the addr_to_vb_xarray() function to the addr_to_vb_xa().
This aligns with other internal function abbreviations.
Link: https://lkml.kernel.org/r/20230331073727.6968-1-urezki@xxxxxxxxx
Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
Suggested-by: Baoquan He <bhe@xxxxxxxxxx>
Reviewed-by: Baoquan He <bhe@xxxxxxxxxx>
Reviewed-by: Lorenzo Stoakes <lstoakes@xxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Oleksiy Avramchenko <oleksiy.avramchenko@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- a/mm/vmalloc.c~mm-vmalloc-rename-addr_to_vb_xarray-function
+++ a/mm/vmalloc.c
@@ -1945,7 +1945,7 @@ static DEFINE_PER_CPU(struct vmap_block_
* used as a hash table. When used as a hash a 'cpu' passed to
* per_cpu() is not actually a CPU but rather a hash index.
*
- * A hash function is addr_to_vb_xarray() which hashes any address
+ * A hash function is addr_to_vb_xa() which hashes any address
* to a specific index(in a hash) it belongs to. This then uses a
* per_cpu() macro to access an array with generated index.
*
@@ -1971,7 +1971,7 @@ static DEFINE_PER_CPU(struct vmap_block_
* however xarray spinlocks protect against any contention that remains.
*/
static struct xarray *
-addr_to_vb_xarray(unsigned long addr)
+addr_to_vb_xa(unsigned long addr)
{
int index = (addr / VMAP_BLOCK_SIZE) % num_possible_cpus();
@@ -2048,7 +2048,7 @@ static void *new_vmap_block(unsigned int
bitmap_set(vb->used_map, 0, (1UL << order));
INIT_LIST_HEAD(&vb->free_list);
- xa = addr_to_vb_xarray(va->va_start);
+ xa = addr_to_vb_xa(va->va_start);
vb_idx = addr_to_vb_idx(va->va_start);
err = xa_insert(xa, vb_idx, vb, gfp_mask);
if (err) {
@@ -2070,7 +2070,7 @@ static void free_vmap_block(struct vmap_
struct vmap_block *tmp;
struct xarray *xa;
- xa = addr_to_vb_xarray(vb->va->va_start);
+ xa = addr_to_vb_xa(vb->va->va_start);
tmp = xa_erase(xa, addr_to_vb_idx(vb->va->va_start));
BUG_ON(tmp != vb);
@@ -2193,7 +2193,7 @@ static void vb_free(unsigned long addr,
order = get_order(size);
offset = (addr & (VMAP_BLOCK_SIZE - 1)) >> PAGE_SHIFT;
- xa = addr_to_vb_xarray(addr);
+ xa = addr_to_vb_xa(addr);
vb = xa_load(xa, addr_to_vb_idx(addr));
spin_lock(&vb->lock);
@@ -3592,7 +3592,7 @@ static size_t vmap_ram_vread_iter(struct
* Area is split into regions and tracked with vmap_block, read out
* each region and zero fill the hole between regions.
*/
- xa = addr_to_vb_xarray((unsigned long) addr);
+ xa = addr_to_vb_xa((unsigned long) addr);
vb = xa_load(xa, addr_to_vb_idx((unsigned long)addr));
if (!vb)
goto finished_zero;
_
Patches currently in -mm which might be from urezki@xxxxxxxxx are
mm-vmalloc-remove-a-global-vmap_blocks-xarray.patch
lib-test_vmallocc-add-vm_map_ram-vm_unmap_ram-test-case.patch
mm-vmalloc-rename-addr_to_vb_xarray-function.patch
