Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\vmalloc.c Create Date:2022-07-28 14:59:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:vmap_init_free_space

Proto:static void vmap_init_free_space(void)

Type:void

Parameter:Nothing

1900  vmap_start = 1
1901  vmap_end = ULONG_MAX
1911  If va_start - vmap_start > 0 Then
1912  free = Shortcuts
1913  If Not WARN_ON_ONCE(!free) Then
1914  va_start = vmap_start
1915  va_end = va_start
1917  insert_vmap_area_augment(free, NULL, & This augment red-black tree represents the free vmap space, & This linked list is used in pair with free_vmap_area_root.* It gives O(1) access to prev/next to perform fast coalescing.)
1923  vmap_start = va_end
1926  If vmap_end - vmap_start > 0 Then
1927  free = Shortcuts
1928  If Not WARN_ON_ONCE(!free) Then
1929  va_start = vmap_start
1930  va_end = vmap_end
1932  insert_vmap_area_augment(free, NULL, & This augment red-black tree represents the free vmap space, & This linked list is used in pair with free_vmap_area_root.* It gives O(1) access to prev/next to perform fast coalescing.)
Caller
NameDescribe
vmalloc_init