Diffusion FreeBSD src repository 840327e5ddf3

mbuf: Don't support PAGE_SIZE < 4K
840327e5ddf3
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Description

mbuf: Don't support PAGE_SIZE < 4K

The Vax supported such things, but FreeBSD does not. This further
implies that MJUMPAGESIZE > MCLBYTES so assert this and remove code
handling them being equal.

Reviewed by: kp, imp, jhb
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D36320

Details

Provenance

brooks

Authored on Aug 24 2022, 5:34 PM

Reviewer

Differential Revision

D36320: mbuf: Don't support PAGE_SIZE < 4K

Parents

rGe9ad2964f5de: pkg: Add limited --debug/-d support

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Event Timeline

brooks committed rG840327e5ddf3: mbuf: Don't support PAGE_SIZE < 4K (authored by brooks).Aug 24 2022, 5:34 PM

brooks added an edge: D36320: mbuf: Don't support PAGE_SIZE < 4K.Aug 24 2022, 5:36 PM

markj mentioned this in rGb0b0e4ee00b1: NOTES: Update the default MSIZE and MCLSHIFT values.Aug 24 2022, 11:58 PM

markj mentioned this in rG7e6232140fa2: NOTES: Update the default MSIZE and MCLSHIFT values.Aug 31 2022, 3:39 PM

des mentioned this in D50242: mbuf: Allow clusters to fill an entire jumbo page..May 7 2025, 5:54 PM

des mentioned this in rG271128b06986: mbuf: Allow clusters to fill an entire jumbo page..May 7 2025, 7:01 PM

des mentioned this in rGcbc3efab49aa: mbuf: Allow clusters to fill an entire jumbo page..May 14 2025, 9:09 AM

Changes (3)

Path

Size

sys/

kern/

kern_mbuf.c

sys/

mbuf.h

param.h

rG840327e5ddf3

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sys/kern/kern_mbuf.c

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sys/sys/mbuf.h

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mbuf: Don't support PAGE_SIZE < 4K840327e5ddf3Actions

Description

Details

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Changes (3)

rG840327e5ddf3

sys/kern/kern_mbuf.c

sys/sys/mbuf.h

sys/sys/param.h

mbuf: Don't support PAGE_SIZE < 4K
840327e5ddf3
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