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module/*.ko: prune .data, global .rodata

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Evaluated every variable that lives in .data (and globals in .rodata)
in the kernel modules, and constified/eliminated/localised them
appropriately. This means that all read-only data is now actually
read-only data, and, if possible, at file scope. A lot of previously-
global-symbols became inlinable (and inlined!) constants. Probably
not in a big Wowee Performance Moment, but hey.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12899
This commit is contained in:
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2022-01-15 00:37:55 +01:00
committed by GitHub
parent 7adc190098
commit 18168da727
147 changed files with 781 additions and 876 deletions
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module/os/linux/zfs/zfs_debug.c
+3 -3
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@@ -33,8 +33,8 @@ typedef struct zfs_dbgmsg {
char zdm_msg[1]; /* variable length allocation */
} zfs_dbgmsg_t;
procfs_list_t zfs_dbgmsgs;
int zfs_dbgmsg_size = 0;
static procfs_list_t zfs_dbgmsgs;
static int zfs_dbgmsg_size = 0;
int zfs_dbgmsg_maxsize = 4<<20; /* 4MB */
/*
@@ -49,7 +49,7 @@ int zfs_dbgmsg_maxsize = 4<<20; /* 4MB */
* # Clear the kernel debug message log.
* echo 0 >/proc/spl/kstat/zfs/dbgmsg
*/
int zfs_dbgmsg_enable = 1;
int zfs_dbgmsg_enable = B_TRUE;
static int
zfs_dbgmsg_show_header(struct seq_file *f)