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Commit fb3d7fc9 authored by Yaroslav Furman's avatar Yaroslav Furman Committed by Harshit Jain
Browse files

zram_drv: allow overriding zram size from kernel 



Add a CONFIG_ZRAM_SIZE_OVERRIDE option, size will be set
to 1 GB multiply by CONFIG_ZRAM_SIZE_OVERRIDE.

Signed-off-by: default avatarDmitry Eliseev <dmitry.e@cloudberrylab.com>
Signed-off-by: default avatarYaroslav Furman <yaro330@gmail.com>
parent a31f8c2a

drivers/block/zram/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -57,3 +57,8 @@ config ZRAM_MEMORY_TRACKING 
config ZRAM_DEFAULT_COMP_ALGORITHM

	string "Default ZRAM compression algorithm"

	default "lzo"



config ZRAM_SIZE_OVERRIDE

	int "zram size to set from kernel"

	range 1 8

	default 2

drivers/block/zram/zram_drv.c

+5 −0
Original line number Diff line number Diff line
@@ -1829,9 +1829,14 @@ static ssize_t disksize_store(struct device *dev, 
	struct zram *zram = dev_to_zram(dev);

	int err;



#ifndef CONFIG_ZRAM_SIZE_OVERRIDE

	disksize = memparse(buf, NULL);

	if (!disksize)

		return -EINVAL;

#else

	disksize = (u64)SZ_1G * CONFIG_ZRAM_SIZE_OVERRIDE;

	pr_info("Overriding zram size to %li", disksize);

#endif



	down_write(&zram->init_lock);

	if (init_done(zram)) {