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authorWolfram Sang <wsa+renesas@sang-engineering.com>2025-05-02 16:31:35 +0200
committerWolfram Sang <wsa+renesas@sang-engineering.com>2025-05-02 16:31:35 +0200
commit8e17493ea2d1c9f72e5e31160f75f8be56f79ffb (patch)
tree0a3a6fbb8c1ec61bb08a9f612826521b5e15c1d9 /drivers/base/memory.c
parent9c32cda43eb78f78c73aee4aa344b777714e259b (diff)
parentb1852c5de2f2a37dd4462f7837c9e3e678f9e546 (diff)
Merge tag 'i2c-host-fixes-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.15-rc5 - imx-lpi2c: fix error handling sequence in probe
Diffstat (limited to 'drivers/base/memory.c')
-rw-r--r--drivers/base/memory.c41
1 files changed, 17 insertions, 24 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 8f3a41d9bfaa..19469e7f88c2 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -816,21 +816,6 @@ static int add_memory_block(unsigned long block_id, unsigned long state,
return 0;
}
-static int __init add_boot_memory_block(unsigned long base_section_nr)
-{
- unsigned long nr;
-
- for_each_present_section_nr(base_section_nr, nr) {
- if (nr >= (base_section_nr + sections_per_block))
- break;
-
- return add_memory_block(memory_block_id(base_section_nr),
- MEM_ONLINE, NULL, NULL);
- }
-
- return 0;
-}
-
static int add_hotplug_memory_block(unsigned long block_id,
struct vmem_altmap *altmap,
struct memory_group *group)
@@ -957,7 +942,7 @@ static const struct attribute_group *memory_root_attr_groups[] = {
void __init memory_dev_init(void)
{
int ret;
- unsigned long block_sz, nr;
+ unsigned long block_sz, block_id, nr;
/* Validate the configured memory block size */
block_sz = memory_block_size_bytes();
@@ -970,15 +955,23 @@ void __init memory_dev_init(void)
panic("%s() failed to register subsystem: %d\n", __func__, ret);
/*
- * Create entries for memory sections that were found
- * during boot and have been initialized
+ * Create entries for memory sections that were found during boot
+ * and have been initialized. Use @block_id to track the last
+ * handled block and initialize it to an invalid value (ULONG_MAX)
+ * to bypass the block ID matching check for the first present
+ * block so that it can be covered.
*/
- for (nr = 0; nr <= __highest_present_section_nr;
- nr += sections_per_block) {
- ret = add_boot_memory_block(nr);
- if (ret)
- panic("%s() failed to add memory block: %d\n", __func__,
- ret);
+ block_id = ULONG_MAX;
+ for_each_present_section_nr(0, nr) {
+ if (block_id != ULONG_MAX && memory_block_id(nr) == block_id)
+ continue;
+
+ block_id = memory_block_id(nr);
+ ret = add_memory_block(block_id, MEM_ONLINE, NULL, NULL);
+ if (ret) {
+ panic("%s() failed to add memory block: %d\n",
+ __func__, ret);
+ }
}
}