diff options
author | Borislav Petkov <bp@suse.de> | 2022-03-08 18:05:43 +0100 |
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committer | Borislav Petkov <bp@suse.de> | 2022-04-11 12:04:11 +0200 |
commit | 713c4ff8859c3db4dc8dbf5eec33434b9a3fb76b (patch) | |
tree | 0246f68ed5652c8573d9053482da45014181331f /drivers/edac | |
parent | EDAC/device: Sanitize edac_device_alloc_ctl_info() definition (diff) | |
download | linux-713c4ff8859c3db4dc8dbf5eec33434b9a3fb76b.tar.xz linux-713c4ff8859c3db4dc8dbf5eec33434b9a3fb76b.zip |
EDAC/mc: Get rid of edac_align_ptr()
Get rid of it now that it is unused.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220310095254.1510-6-bp@alien8.de
Diffstat (limited to 'drivers/edac')
-rw-r--r-- | drivers/edac/edac_mc.c | 55 | ||||
-rw-r--r-- | drivers/edac/edac_module.h | 2 |
2 files changed, 0 insertions, 57 deletions
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index c7c11b113ace..387b6851c975 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -170,61 +170,6 @@ const char * const edac_mem_types[] = { }; EXPORT_SYMBOL_GPL(edac_mem_types); -/** - * edac_align_ptr - Prepares the pointer offsets for a single-shot allocation - * @p: pointer to a pointer with the memory offset to be used. At - * return, this will be incremented to point to the next offset - * @size: Size of the data structure to be reserved - * @n_elems: Number of elements that should be reserved - * - * If 'size' is a constant, the compiler will optimize this whole function - * down to either a no-op or the addition of a constant to the value of '*p'. - * - * The 'p' pointer is absolutely needed to keep the proper advancing - * further in memory to the proper offsets when allocating the struct along - * with its embedded structs, as edac_device_alloc_ctl_info() does it - * above, for example. - * - * At return, the pointer 'p' will be incremented to be used on a next call - * to this function. - */ -void *edac_align_ptr(void **p, unsigned int size, int n_elems) -{ - unsigned int align, r; - void *ptr = *p; - - *p += size * n_elems; - - /* - * 'p' can possibly be an unaligned item X such that sizeof(X) is - * 'size'. Adjust 'p' so that its alignment is at least as - * stringent as what the compiler would provide for X and return - * the aligned result. - * Here we assume that the alignment of a "long long" is the most - * stringent alignment that the compiler will ever provide by default. - * As far as I know, this is a reasonable assumption. - */ - if (size > sizeof(long)) - align = sizeof(long long); - else if (size > sizeof(int)) - align = sizeof(long); - else if (size > sizeof(short)) - align = sizeof(int); - else if (size > sizeof(char)) - align = sizeof(short); - else - return ptr; - - r = (unsigned long)ptr % align; - - if (r == 0) - return ptr; - - *p += align - r; - - return (void *)(((unsigned long)ptr) + align - r); -} - static void _edac_mc_free(struct mem_ctl_info *mci) { put_device(&mci->dev); diff --git a/drivers/edac/edac_module.h b/drivers/edac/edac_module.h index aa1f91688eb8..96f6de0c8ff6 100644 --- a/drivers/edac/edac_module.h +++ b/drivers/edac/edac_module.h @@ -59,8 +59,6 @@ extern void edac_device_reset_delay_period(struct edac_device_ctl_info *edac_dev, unsigned long value); extern void edac_mc_reset_delay_period(unsigned long value); -extern void *edac_align_ptr(void **p, unsigned size, int n_elems); - /* * EDAC debugfs functions */ |